Updated on 2025/08/19

写真a

 
EJIRI Shinji
 
Organization
Academic Assembly Institute of Science and Technology Fundamental Sciences Associate Professor
Faculty of Science Department of Science Associate Professor
Title
Associate Professor
External link

Degree

  • Doctor (Science) ( 1996.3   Kanazawa University )

  • 理学修士 ( 1993.3   金沢大学 )

Research Interests

  • Quantum chromodynamics, lattice gauge theory, finite temperature phase transition

Research Areas

  • Natural Science / Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Research History (researchmap)

  • Niigata University   Faculty of Science Department of Science   Associate Professor

    2017.4

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  • Niigata University   Faculty of Science Department of Physics Fundamental Physics   Associate Professor

    2014.4 - 2017.3

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  • Niigata University   Headquarters for Strategy and Planning Office for Promoting the Cultivation of Young Researchers   Associate Professor

    2010.1 - 2014.3

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  • Brookhaven National Laboratory   Physics Department   Associate Physicist

    2008.10 - 2010.1

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  • Brookhaven National Laboratory   Physics Department   Assistant Physicist

    2006.10 - 2008.9

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  • The University of Tokyo   Department of Physics   Assistant

    2005.2 - 2006.10

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  • University of Bielefeld   Department of Physics   Researcher

    2003.4 - 2005.1

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  • University of Wales Swansea   Department of Physics   Researcher

    2001.4 - 2003.3

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  • University of Tsukuba   Center for Computational Physics   Special researcher of the Japan Society for the Promotion of Science

    1998.4 - 2001.3

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  • University of Tsukuba   Center for Computational Physics   Researcher

    1997.4 - 1998.3

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Research History

  • Niigata University   Faculty of Science Department of Science   Associate Professor

    2017.4

  • Niigata University   Abolition organization Fundamental Physics   Associate Professor

    2014.4 - 2017.3

  • Niigata University   Headquarters for Strategy and Planning Office for Promoting the Cultivation of Young Researchers   Associate Professor

    2010.1 - 2014.3

Education

  • Kanazawa University   Graduate School, Division of Science and Technology

    1993.4 - 1996.3

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    Country: Japan

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  • Kanazawa University   Graduate School, Division of Natural Science   Physics Course

    1991.4 - 1993.3

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    Country: Japan

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  • Kanazawa University   Faculty of Science   Department of Physics

    1987.4 - 1991.3

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    Country: Japan

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Professional Memberships

Committee Memberships

  • 日本物理学会   素粒子論領域運営委員  

    2011.5 - 2012.3   

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    Committee type:Academic society

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Papers

  • First-order phase transitions in the heavy quark region of lattice QCD at high temperatures and high densities Reviewed

    Shinji Ejiri

    Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024)   466   162   2025.1

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.466.0162

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  • Finite-temperature critical point of heavy-quark QCD on large lattices Reviewed

    Kazuyuki Kanaya, Ryo Ashikawa, Shinji Ejiri, Masakiyo Kitazawa, Hiroto Sugawara

    Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024)   466   439   2024.12

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.466.0439

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  • High-precision analysis of the critical point in heavy-quark QCD at Nt=6 Reviewed

    Ryo Ashikawa, Masakiyo Kitazawa, Shinji Ejiri, Kazuyuki Kanaya

    Physical Review D   110 ( 7 )   074508   2024.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Physical Society (APS)  

    Binder-cumulant analysis of the critical point in the heavy-quark region of QCD is performed by Monte-Carlo simulations with the hopping-parameter expansion at Nt=6. We extend our previous analysis at Nt=4 to finer lattices and perform high-precision analyses on large spatial volumes up to the aspect ratio LT=Ns/Nt=18. Higher order terms in the hopping-parameter expansion are incorporated effectively up to 14th order. The numerical results show that the violation of the finite-size scaling becomes more prominent on the finer lattice at a given aspect ratio.

    Published by the American Physical Society 2024

    DOI: 10.1103/physrevd.110.074508

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.110.074508/fulltext

  • Critical point in heavy-quark region of QCD on fine lattices Reviewed

    Masakiyo Kitazawa, Ryo Ashikawa, Shinji Ejiri, Kazuyuki Kanaya, Hiroto Sugawara

    Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023)   453   190   2024.1

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.453.0190

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  • Chemical potential dependence of the endpoint of first-order phase transition in heavy-quark region of finite-temperature lattice QCD Reviewed

    Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa

    Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023)   453   174   2023.12

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.453.0174

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  • Gradient flow, confinement, and magnetic monopole in U(1) lattice gauge theory Reviewed International journal

    Shinji Ejiri, Yuya Horikoshi

    Physical Review D   108 ( 3 )   034506   2023.8

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.108.034506

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  • Phase structure and critical point in heavy-quark QCD at finite temperature Reviewed

    Kazuyuki Kanaya, Ryo Ashikawa, Shinji Ejiri, Masakiyo Kitazawa, Hiroshi Suzuki, Naoki Wakabayashi

    Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022)   430   177   2023.4

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.430.0177

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  • Canonical partition function and center symmetry breaking in finite density lattice gauge theories Reviewed

    Shinji Ejiri

    Physical Review D   106 ( 11 )   114505   2022.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.106.114505

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  • Latent heat and pressure gap at the first-order deconfining phase transition of SU(3) Yang-Mills theory using the small flow-time expansion method Reviewed

    Kazuyuki Kanaya, Mizuki Shirogane, Shinji Ejiri, Ryo Iwami, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)   396   064   2022.7

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.396.0064

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  • Particle density probability distribution function and center symmetry breaking in finite density lattice gauge theories Reviewed

    Shinji Ejiri

    Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)   396   531   2022.7

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.396.0531

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  • Scope and convergence of the hopping parameter expansion in finite-temperature quantum chromodynamics with heavy quarks around the critical point Reviewed International journal

    Naoki Wakabayashi, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa

    Progress of Theoretical and Experimental Physics   2022 ( 3 )   033B05   2022.3

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/ptep/ptac019

    Web of Science

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    Other Link: https://academic.oup.com/ptep/article-pdf/2022/3/033B05/42829507/ptac019.pdf

  • Finite-size scaling around the critical point in the heavy quark region of QCD Reviewed

    Atsushi Kiyohara, Masakiyo Kitazawa, Shinji Ejiri, Kazuyuki Kanaya

    Physical Review D   104 ( 11 )   114509   2021.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/physrevd.104.114509

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.104.114509/fulltext

  • Latent heat and pressure gap at the first-order deconfining phase transition of SU(3) Yang–Mills theory using the small flow-time expansion method Reviewed

    Mizuki Shirogane, Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Progress of Theoretical and Experimental Physics   2021 ( 1 )   013B08   2021.1

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    DOI: 10.1093/ptep/ptaa184

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  • Erratum: Nf=2+1 QCD thermodynamics with gradient flow using two-loop matching coefficients (Physical Review D (2020) 102 (014510) DOI: 10.1103/PhysRevD.102.014510) Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Takashi Umeda

    Physical Review D   102 ( 5 )   059903   2020.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.102.059903

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  • Determination of the endpoint of the first order deconfiniement phase transition in the heavy quark region of QCD Reviewed International journal

    Shinji Ejiri, Shota Itagaki, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Atsushi Kiyohara, Mizuki Shirogane, Yusuke Taniguchi, Takashi Umeda, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2019   071   2020.8

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.363.0071

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  • Calculation of PCAC mass with Wilson fermion using gradient flow Reviewed International journal

    Atsushi Baba, Asobu Suzuki, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of Science   LATTICE 2019   191   2020.8

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.363.0191

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  • Study of 2+1 flavor finite-temperature QCD using improved Wilson quarks at the physical point with the gradient flow Reviewed International journal

    Kazuyuki Kanaya, Atsushi Baba, Asobu Suzuki, Shinji Ejiri, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of Science   LATTICE 2019   088   2020.8

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.363.0088

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  • Nf=2+1 QCD thermodynamics with gradient flow using two-loop matching coefficients Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Takashi Umeda

    Physical Review D   102 ( 1 )   014510   2020.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/physrevd.102.014510

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.102.014510/fulltext

  • End point of the first-order phase transition of QCD in the heavy quark region by reweighting from quenched QCD Reviewed

    Shinji Ejiri, Shota Itagaki, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Atsushi Kiyohara, Mizuki Shirogane, Takashi Umeda

    Physical Review D   101 ( 5 )   054505   2020.3

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.101.054505

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  • Measuring of chiral susceptibility using gradient flow Reviewed

    Atsushi Baba, Asobu Suzuki, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Takanori Shimojo, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of Science   LATTICE2018   173   2019.5

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.334.0173

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  • Study of energy-momentum tensor correlation function in Nf=2+1 full QCD for QGP viscosities Reviewed

    Yusuke Taniguchi, Atsushi Baba, Asobu Suzuki, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Takanori Shimojo, Hiroshi Suzuki, Takashi Umeda

    Proceedings of Science   LATTICE2018   166   2019.5

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.334.0166

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  • Equation of state near the first order phase transition point of SU(3) gauge theory using gradient flow Reviewed

    Mizuki Shirogane, Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of Science   LATTICE2018   164   2019.5

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.334.0164

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  • Erratum: Exploring Nf=2+1 QCD thermodynamics from the gradient flow (Physical Review D (2017) 96 (014509) DOI: 10.1103/PhysRevD.99.014509) Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Takashi Umeda, Naoki Wakabayashi

    Physical Review D   99 ( 5 )   059904   2019.3

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.99.059904

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  • Equation of state in (2+1)-flavor QCD at physical point with improved Wilson fermion action using gradient flow Reviewed

    Kazuyuki Kanaya, Shinji Ejiri, Ryo Iwami, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    EPJ Web of Conferences   175 ( Lattice 2017 )   07023   2018.3

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1051/epjconf/201817507023

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  • Energy-momentum tensor correlation function in Nf=2+1 full QCD at finite temperature Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Asobu Suzuki, Hiroshi Suzuki, Takashi Umeda

    EPJ Web of Conferences   175 ( Lattice 2017 )   07013   2018.3

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    We measure correlation functions of the nonperturbatively renormalized
    energy-momentum tensor in $N_f=2+1$ full QCD at finite temperature by applying
    the gradient flow method both to the gauge and quark fields. Our main interest
    is to study the conservation law of the energy-momentum tensor and to test
    whether the linear response relation is properly realized for the entropy
    density. By using the linear response relation we calculate the specific heat
    from the correlation function. We adopt the nonperturbatively improved Wilson
    fermion and Iwasaki gauge action at a fine lattice spacing $=0.07$ fm. In this
    paper the temperature is limited to a single value $T=232$ MeV. The $u$, $d$
    quark mass is rather heavy with $m_\pi/m_\rho=0.63$ while the $s$ quark mass is
    set to approximately its physical value.

    DOI: 10.1051/epjconf/201817507013

    arXiv

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  • O(4) scaling analysis in two-flavor QCD at finite temperature and density with improved Wilson quarks Reviewed

    T. Umeda, S. Ejiri, R. Iwami, K. Kanaya, H. Ohno, A. Uji, N. Wakabayashi, S. Yoshida

    Proceedings of Science   LATTICE 2016   376   2017.3

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.256.0376

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  • Equation of state in (2+1)-flavor QCD with gradient flow Reviewed

    Kazuyuki Kanaya, Shinji Ejiri, Ryo Iwami, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda, Naoki Wakabayashi

    Proceedings of Science   LATTICE2016   063   2017.3

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.256.0063

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  • Temperature dependence of topological susceptibility using gradient flow Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Takashi Umeda, Ryo Iwami, Naoki Wakabayashi

    Proceedings of Science   LATTICE2016   064   2017.3

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.256.0064

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  • Determination of latent heat at the finite temperature phase transition of SU(3) gauge theory Reviewed

    Shinji Ejiri, Ryo Iwami, Mizuki Shirogane, Naoki Wakabayashi, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    Proceedings of Science   LATTICE2016   058   2017.3

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.256.0058

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  • Critical point search from an extended parameter space of lattice QCD at finite temperature and density Reviewed

    Shinji Ejiri, Ryo Iwami, Norikazu Yamada

    NUCLEAR PHYSICS A   956   826 - 829   2016.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.nuclphysa.2016.01.030

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  • Exploring Nf=2+1 QCD thermodynamics from the gradient flow Reviewed

    Yusuke Taniguchi, Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Takashi Umeda, Naoki Wakabayashi

    Physical Review D   96 ( 1 )   014509   2016.9

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    The energy-momentum tensor plays an important role in QCD thermodynamics. Its
    expectation value contains information of the pressure and the energy density
    as its diagonal part. Further properties like viscosity and specific heat can
    be extracted from its correlation function. Recently a new method based on the
    gradient flow was introduced to calculate the energy-momentum tensor on the
    lattice, and has been successfully applied to quenched QCD.
    In this paper, we apply the gradient flow method to calculate the
    energy-momentum tensor in (2+1)-flavor QCD. As the first application of the
    method with dynamical quarks, we study at a single but fine lattice spacing
    a=0.07 fm with heavy u and d quarks ($m_\pi/m_\rho=0.63$) and approximately
    physical s quark. Performing simulations on lattices with Nt=16 to 4, the
    temperature range of T=174-697 MeV is covered. We find that the results of the
    pressure and the energy density by the gradient flow method are consistent with
    the previous results using the T-integration method at T<280 MeV, while the
    results show disagreement at T>350 MeV (Nt<8), presumably due to the small-Nt
    lattice artifact of $O((aT)^2)=O(1/N_t^2)$.
    We also apply the gradient flow method to evaluate the chiral condensate
    taking advantage of the gradient flow method that renormalized quantities can
    be directly computed avoiding the difficulty of explicit chiral violation with
    lattice quarks. We compute the renormalized chiral condensate in the MS-bar
    scheme at renormalization scale $\mu=2$ GeV with a high precision to study the
    temperature dependence of the chiral condensate and its disconnected
    susceptibility. Even with the Wilson-type quark action, we obtain the chiral
    condensate and its disconnected susceptibility showing a clear signal of
    pseudocritical temperature at T~190 MeV related to the chiral restoration
    crossover.

    DOI: 10.1103/PhysRevD.96.014509

    arXiv

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  • Importance of third moments of fluctuations of conserved charges in relativistic heavy-ion collisions Reviewed

    Masayuki Asakawa, Shinji Ejiri, Masakiyo Kitazawa

    EUROPEAN PHYSICAL JOURNAL A   52 ( 8 )   252   2016.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1140/epja/i2016-16252-5

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  • Latent heat at the first order phase transition point of SU(3) gauge theory Reviewed

    Mizuki Shirogane, Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa

    PHYSICAL REVIEW D   94 ( 1 )   014506   2016.7

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.94.014506

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  • Many flavor approach to study the critical point in finite density QCD Reviewed

    Ryo Iwami, Shinji Ejiri, Norikazu Yamada

    Proceedings of Science   LATTICE 2015   146   2016.7

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.251.0146

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  • Analytic continuation of finite density QCD with heavy quarks in the strong coupling region Reviewed

    Shinji Ejiri, Hiroshi Yoneyama

    Proceedings of Science   LATTICE 2015   150   2016.7

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    DOI: 10.22323/1.251.0150

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  • Many flavor approach to study the nature of chiral phase transition of two-flavor QCD Reviewed

    Norikazu Yamada, Shinji Ejiri, Ryo Iwami

    Proceedings of Science   LATTICE 2015   147   2016.7

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    DOI: 10.22323/1.251.0147

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  • Towards the QCD equation of state at the physical point using Wilson fermion Reviewed

    T. Umeda, S. Ejiri, R. Iwami, K. Kanaya, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2015   209   2016.7

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.251.0209

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  • Exploring the nature of chiral phase transition in two-flavor QCD using extra heavy quarks Reviewed

    Shinji Ejiri, Ryo Iwami, Norikazu Yamada

    PHYSICAL REVIEW D   93 ( 5 )   054506   2016.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.93.054506

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  • First order transition regions in the quark masses and chemical potential parameter space of QCD Reviewed

    Shinji Ejiri, Norikazu Yamada, Hiroshi Yoneyama

    Proceedings of Science   CPOD 2014   014   2015.11

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:Sissa Medialab  

    DOI: 10.22323/1.217.0014

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  • Multipoint reweighting method and its applications to lattice QCD Reviewed

    R. Iwami, S. Ejiri, K. Kanaya, Y. Nakagawa, D. Yamamoto, T. Umeda

    PHYSICAL REVIEW D   92 ( 9 )   094507   2015.11

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.92.094507

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  • Multipoint reweighting method and beta functions for the calculation of QCD equation of state Reviewed

    R. Iwami, S. Ejiri, K. Kanaya, Y. Nakagawa, T. Umeda, D. Yamamoto, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2014   222   2015.5

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.214.0222

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  • Complex singularities around the QCD critical point at finite densities Reviewed

    Shinji Ejiri, Yasuhiko Shinno, Hiroshi Yoneyama

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   2014 ( 8 )   083B02   2014.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/ptep/ptu108

    Web of Science

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  • Nature of finite temperature and density phase transitions in many-flavor QCD Reviewed

    Shinji Ejiri, Norikazu Yamada

    Proceedings of Science   LATTICE 2013   146   2014.4

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.187.0146

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  • Scaling properties of the chiral phase transition in the low density region of two-flavor QCD with improved Wilson fermions Reviewed

    T. Umeda, S. Ejiri, K. Kanaya, Y. Maezawa, Y. Nakagawa, H. Ohno, H. Saito, S. Yoshida, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2013   450   2014.4

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.187.0450

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  • Singularities around the QCD critical point in the complex chemical potential plane Reviewed

    Shinji Ejiri, Yasuhiko Shinno, Hiroshi Yoneyama

    Proceedings of Science   LATTICE 2013   210   2014.4

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.22323/1.187.0210

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  • Histograms in heavy-quark QCD at finite temperature and density Reviewed

    H. Saito, S. Ejiri, S. Aoki, K. Kanaya, Y. Nakagawa, H. Ohno, K. Okuno, T. Umeda

    PHYSICAL REVIEW D   89 ( 3 )   034507   2014.2

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.89.034507

    Web of Science

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  • Phase structure of many flavor lattice QCD at finite temperature Reviewed

    Norikazu Yamada, Shinji Ejiri

    Proceedings of KMI-GCOE Workshop, Strong Coupling Gauge Theories in the LHC Perspective (SCGT 12)   51 - 57   2013.9

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    DOI: 10.1142/9789814566254_0005

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  • Phase structure of hot dense QCD by a histogram method Invited Reviewed

    Shinji Ejiri

    EUROPEAN PHYSICAL JOURNAL A   49 ( 7 )   86   2013.7

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    DOI: 10.1140/epja/i2013-13086-7

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  • End point of a first-order phase transition in many-flavor lattice QCD at finite temperature and density Reviewed

    Shinji Ejiri, Norikazu Yamada

    Physical Review Letters   110 ( 17 )   172001   2013.4

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    DOI: 10.1103/PhysRevLett.110.172001

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  • Thermodynamics in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach Reviewed

    T. Umeda, S. Aoki, S. Ejiri, T. Hatsuda, K. Kanaya, Y. Maezawa, H. Ohno, HOT-QCD Collaboration

    Proceedings of Science   Lattice 2012   074   2012.12

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    DOI: 10.22323/1.164.0074

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  • Phase structure of finite density QCD with a histogram method Reviewed

    Y. Nakagawa, S. Ejiri, S. Aoki, K. Kanaya, H. Saito, H. Ohno, T. Hatsuda, T. Umeda, HOT-QCD collaboration

    Proceedings of Science   Lattice 2012   092   2012.12

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    DOI: 10.22323/1.164.0092

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  • Probability distribution functions in the finite density lattice QCD Reviewed

    S. Ejiri, Y. Nakagawa, S. Aoki, K. Kanaya, H. Saito, T. Hatsuda, H. Ohno, T. Umeda, HOT-QCD collaboration

    Proceedings of Science   Lattice 2012   089   2012.12

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    DOI: 10.22323/1.164.0089

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  • Numerical study of QCD phase diagram at high temperature and density by a histogram method Reviewed

    Shinji Ejiri, Sinya Aoki, Tetsuo Hatsuda, Kazuyuki Kanaya, Yoshiyuki Nakagawa, Hiroshi Ohno, Hana Saito, Takashi Umeda

    CENTRAL EUROPEAN JOURNAL OF PHYSICS   10 ( 6 )   1322 - 1325   2012.12

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    DOI: 10.2478/s11534-012-0054-7

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  • Application of Fixed Scale Approach to Static Quark Free Energies in Quenched and 2+1 Flavor Lattice QCD with Improved Wilson Quark Action Reviewed

    Yu Maezawa, Takashi Umeda, Sinya Aoki, Shinji Ejiri, Tetsuo Hatsuda, Kazuyuki Kanaya, Hiroshi Ohno

    PROGRESS OF THEORETICAL PHYSICS   128 ( 5 )   955 - 970   2012.11

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    DOI: 10.1143/PTP.128.955

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  • Finite density QCD phase transition in the heavy quark region Reviewed

    H. Saito, S. Aoki, K. Kanaya, H. Ohno, S. Ejiri, Y. Nakagawa, T. Hatsuda, T. Umeda, HOT-QCD collaboration

    Proceedings of Science   LATTICE 2011   214   2012.7

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    DOI: 10.22323/1.139.0214

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  • Histogram method in finite density QCD with phase quenched simulations Reviewed

    Y. Nakagawa, S. Ejiri, S. Aoki, K. Kanaya, H. Ohno, H. Saito, T. Hatsuda, T. Umeda, HOT-QCD collaboration

    Proceedings of Science   LATTICE 2011   208   2012.7

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    DOI: 10.22323/1.139.0208

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  • Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach Reviewed

    T. Umeda, S. Aoki, S. Ejiri, T. Hatsuda, K. Kanaya, H. Ohno, Y. Maezawa

    PHYSICAL REVIEW D   85 ( 9 )   094508   2012.5

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    DOI: 10.1103/PhysRevD.85.094508

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  • Erratum: Phase structure of finite temperature QCD in the heavy quark region [Phys. Rev. D84, 054502 (2011)] Reviewed

    H. Saito, S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, H. Ohno, T. Umeda

    Physical Review D   85 ( 7 )   079902 - 79902   2012.4

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  • Ab initio study of the thermodynamics of quantum chromodynamics on the lattice at zero and finite densities Invited Reviewed

    Shinji Ejiri, Kazuyuki Kanaya, Takashi Umeda

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   2012 ( 1 )   01A104   2012

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    DOI: 10.1093/ptep/pts005

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  • Charmonium spectral functions with the variational method in zero and finite temperature lattice QCD Reviewed

    H. Ohno, S. Aoki, S. Ejiri, K. Kanaya, Y. Maezawa, H. Saito, T. Umeda

    PHYSICAL REVIEW D   84 ( 9 )   94504   2011.11

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    DOI: 10.1103/PhysRevD.84.094504

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  • Phase structure of finite temperature QCD in the heavy quark region Reviewed

    H. Saito, S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, H. Ohno, T. Umeda

    PHYSICAL REVIEW D   84 ( 5 )   54502   2011.9

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    DOI: 10.1103/PhysRevD.84.054502

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  • An application of the variational analysis to calculate the meson spectral functions Reviewed

    H. Ohno, S. Aoki, S. Ejiri, K. Kanaya, Y. Maezawa, H. Saito, T. Umeda, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2010   209   2011.6

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    DOI: 10.22323/1.105.0209

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  • The order of the deconfinement phase transition in a heavy quark mass region Reviewed

    H. Saito, S. Aoki, K. Kanaya, H. Ohno, S. Ejiri, T. Hatsuda, Y. Maezawa, T. Umeda, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2010   212   2011.6

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    DOI: 10.22323/1.105.0212

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  • EOS in 2+1 flavor QCD with improved Wilson quarks by the fixed-scale approach Reviewed

    T. Umeda, S. Aoki, K. Kanaya, H. Ohno, S. Ejiri, T. Hatsuda, Y. Maezawa, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2010   218   2011.6

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    DOI: 10.22323/1.105.0218

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  • Scaling behavior of chiral phase transition in two-flavor QCD with improved Wilson quarks at finite density Reviewed

    S. Ejiri, Y. Nakagawa, S. Aoki, K. Kanaya, H. Ohno, H. Saito, T. Hatsuda, Y. Maezawa, T. Umeda, HOT-QCD collaboration

    Proceedings of Science   LATTICE 2010   181   2011.6

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    DOI: 10.22323/1.105.0181

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  • Equation of state and heavy-quark free energy at finite temperature and density in two flavor lattice QCD with Wilson quark action Reviewed

    S. Ejiri, Y. Maezawa, N. Ukita, S. Aoki, T. Hatsuda, N. Ishii, K. Kanaya, T. Umeda

    PHYSICAL REVIEW D   82 ( 1 )   14508   2010.7

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    DOI: 10.1103/PhysRevD.82.014508

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  • Towards the equation of state in 2+1 flavor QCD with improved Wilson quarks in the fixed scale approach Reviewed

    K. Kanaya, S. Aoki, H. Ohno, T. Umeda, S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, HOT-QCD Collaboration

    Proceedings of Science   LAT2009   190   2010.6

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    DOI: 10.22323/1.091.0190

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  • Singularities of QCD in the complex chemical potential plane Reviewed

    Shinji Ejiri, Hiroshi Yoneyama

    Proceedings of Science   LAT2009   173   2010.6

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    DOI: 10.22323/1.091.0173

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  • Third moments of conserved charges in QCD phase diagram Reviewed

    Masakiyo Kitazawa, Masayuki Asakawa, Shinji Ejiri

    Proceedings of Science   LAT2009   174   2010.6

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    DOI: 10.22323/1.091.0174

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  • Heavy-quark free energy at finite temperature with 2+1 flavors of improved Wilson quarks in fixed scale approach Reviewed

    Y. Maezawa, S. Aoki, S. Ejiri, T. Hatsuda, K. Kanaya, H. Ohno, T. Umeda, HOT-QCD Collaboration

    Proceedings of Science   LAT2009   165   2010.6

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    DOI: 10.22323/1.091.0165

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  • Electric and magnetic screening masses at finite temperature from generalized Polyakov-line correlations in two-flavor lattice QCD Reviewed

    Y. Maezawa, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, K. Kanaya, N. Ukita, T. Umeda

    PHYSICAL REVIEW D   81 ( 9 )   91501   2010.5

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    DOI: 10.1103/PhysRevD.81.091501

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  • Equation of state for physical quark masses Reviewed

    M. Cheng, S. Ejiri, P. Hegde, F. Karsch, O. Kaczmarek, E. Laermann, R. D. Mawhinney, C. Miao, S. Mukherjee, P. Petreczky, C. Schmidt, W. Soeldner

    PHYSICAL REVIEW D   81 ( 5 )   54504   2010.3

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    DOI: 10.1103/PhysRevD.81.054504

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  • Lattice QCD at Finite Temperature and Density Reviewed

    Shinji Ejiri

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   186 ( 186 )   510 - 515   2010

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    DOI: 10.1143/PTPS.186.510

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  • QCD Thermodynamics at Zero and Finite Densities with Improved Wilson Quarks Reviewed

    K. Kanaya, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, H. Ohno, H. Saito, N. Ukita, T. Umeda

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   186 ( 186 )   556 - 562   2010

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    DOI: 10.1143/PTPS.186.556

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  • Third Moments of Conserved Charges as Probes of QCD Phase Structure Reviewed

    Masayuki Asakawa, Shinji Ejiri, Masakiyo Kitazawa

    PHYSICAL REVIEW LETTERS   103 ( 26 )   262301   2009.12

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    DOI: 10.1103/PhysRevLett.103.262301

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  • The RBC-Bielefeld Collaboration Reviewed

    Michael Cheng, Norman Christ, Saumen Datta, Shinji Ejiri, Chulwoo Jung, Olaf Kaczmarek, Frithjof Karsch, Edwin Laermann, Robert Mawhinney, Chuan Miao, Swagato Mukherjee, Peter Petreczky, Konstantin Petrov, Christian Schmidt, Wolfgang Soeldner, Takashi Umeda, Wolfgang Unger, Alexander Velytsky

    Nuclear Physics A   830 ( 1-4 )   968   2009.11

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    DOI: 10.1016/j.nuclphysa.2009.10.155

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  • Fixed scale approach to the equation of state on the lattice Reviewed

    K. Kanaya, T. Umeda, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, H. Ohno

    NUCLEAR PHYSICS A   830   801C - 804C   2009.11

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    DOI: 10.1016/j.nuclphysa.2009.10.004

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  • Free energies of heavy quarks in full-QCD lattice simulations with Wilson-type quark action Reviewed

    Y. Maezawa, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, K. Kanaya, H. Ohno, T. Umeda

    NUCLEAR PHYSICS A   830   247C - 250C   2009.11

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    DOI: 10.1016/j.nuclphysa.2009.10.021

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  • Magnetic equation of state in (2+1)-flavor QCD Reviewed

    S. Ejiri, F. Karsch, E. Laermann, C. Miao, S. Mukherjee, P. Petreczky, C. Schmidt, W. Soeldner, W. Unger

    PHYSICAL REVIEW D   80 ( 9 )   94505   2009.11

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    DOI: 10.1103/PhysRevD.80.094505

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  • Critical point in finite density lattice QCD by canonical approach Reviewed

    Shinji Ejiri

    NUCLEAR PHYSICS A   830   717C - 720C   2009.11

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    DOI: 10.1016/j.nuclphysa.2009.09.060

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  • Equation of state and QCD transition at finite temperature Reviewed

    A. Bazavov, T. Bhattacharya, M. Cheng, N. H. Christ, C. DeTar, S. Ejiri, Steven Gottlieb, R. Gupta, U. M. Heller, K. Huebner, C. Jung, F. Karsch, E. Laermann, L. Levkova, C. Miao, R. D. Mawhinney, P. Petreczky, C. Schmidt, R. A. Soltz, W. Soeldner, R. Sugar, D. Toussaint, P. Vranas

    PHYSICAL REVIEW D   80 ( 1 )   14504   2009.7

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    DOI: 10.1103/PhysRevD.80.014504

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  • Thermodynamics of SU(3) gauge theory at fixed lattice spacing Reviewed

    T. Umeda, S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, H. Ohno, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2008   174   2009.6

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    DOI: 10.22323/1.066.0174

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  • Recent progress in lattice QCD at finite density Reviewed

    Shinji Ejiri

    Proceedings of Science   LATTICE 2008   2   2009.6

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    DOI: 10.22323/1.066.0002

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  • Magnetic and electric screening masses from Polyakov-line correlations Reviewed

    Y. Maezawa, S. Aoki, K. Kanaya, S. Ejiri, T. Hatsuda, N. Ishii, N. Ukita, T. Umeda, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2008   194   2009.6

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    DOI: 10.22323/1.066.0194

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  • Equation of state at finite density in two-flavor QCD with improved Wilson quarks Reviewed

    K. Kanaya, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, N. Ukita, T. Umeda, HOT-QCD Collaboration

    Proceedings of Science   LATTICE 2008   189   2009.6

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    DOI: 10.22323/1.066.0189

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  • Fixed scale approach to equation of state in lattice QCD Reviewed

    T. Umeda, S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, H. Ohno

    PHYSICAL REVIEW D   79 ( 5 )   51501   2009.3

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    DOI: 10.1103/PhysRevD.79.051501

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  • Canonical partition function and finite density phase transition in lattice QCD Reviewed

    Shinji Ejiri

    PHYSICAL REVIEW D   78 ( 7 )   74507   2008.10

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    DOI: 10.1103/PhysRevD.78.074507

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  • Study of the critical point in lattice QCD at high temperature and density Reviewed

    Shinji Ejiri

    Proceedings of Science   LATTICE 2007   181   2008.3

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    DOI: 10.22323/1.042.0181

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  • Thermodynamics and heavy-quark free energies at finite temperature and density with two flavors of improved Wilson quarks Reviewed

    Y. Maezawa, T. Hatsuda, S. Aoki, K. Kanaya, S. Ejiri, N. Ishii, N. Ukita, T. Umeda

    Proceedings of Science   LATTICE 2007   207   2008.3

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    DOI: 10.22323/1.042.0207

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  • Existence of the critical point in finite density lattice QCD Reviewed

    Shinji Ejiri

    PHYSICAL REVIEW D   77 ( 1 )   14508   2008.1

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    DOI: 10.1103/PhysRevD.77.014508

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  • Thermodynamics of two-flavour lattice QCD with an improved Wilson quark action at non-zero temperature and density Reviewed

    Y. Maezawa, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, K. Kanaya, N. Ukita

    Journal of Physics G: Nuclear and Particle Physics   34 ( 8 )   S651 - S654   2007.8

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    DOI: 10.1088/0954-3899/34/8/S65

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  • Heavy-quark free energy, Debye mass, and spatial string tension at finite temperature in two flavor lattice QCD with Wilson quark action Reviewed

    Y. Maezawa, N. Ukita, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, K. Kanaya

    PHYSICAL REVIEW D   75 ( 7 )   74501   2007.4

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    DOI: 10.1103/PhysRevD.75.074501

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  • Lattice QCD thermodynamics with Wilson quarks Reviewed

    Shinji Ejiri

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   168 ( 168 )   245 - 252   2007

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    DOI: 10.1143/PTPS.168.245

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  • Equation of state for two-flavor QCD with an improved Wilson quark action at non-zero chemical potential Reviewed

    S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, N. Ukita, S. Aoki, K. Kanaya

    Proceedings of Science   LAT2006   132   2006.12

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    DOI: 10.22323/1.032.0132

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  • Finite temperature phase transition of two-flavor QCD with an improved Wilson quark action Reviewed

    N. Ukita, S. Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, S. Aoki, K. Kanaya

    Proceedings of Science   LAT2006   150   2006.12

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    DOI: 10.22323/1.032.0150

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  • Static quark free energies at finite temperature with two flavors of improved Wilson quarks Reviewed

    Y. Maezawa, S. Ejiri, T. Hatsuda, N. Ishii, N. Ukita, S. Aoki, K. Kanaya

    Proceedings of Science   LAT2006   141   2006.12

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    DOI: 10.22323/1.032.0141

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  • Hadronic fluctuations in the QGP Reviewed

    F. Karsch, S. Ejiri, K. Redlich

    NUCLEAR PHYSICS A   774   619 - 622   2006.8

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    DOI: 10.1016/j.nuclphysa.2006.06.099

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  • The QCD equation of state for two flavours at non-zero chemical potential Reviewed

    S. Ejiri, C. R. Allton, M. Doering, S. J. Hands, O. Kaczmarek, F. Karsch, E. Laermann, K. Redlich

    NUCLEAR PHYSICS A   774   837 - 840   2006.8

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    DOI: 10.1016/j.nuclphysa.2006.06.023

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  • Screening of heavy quark free energies at finite temperature and non-zero baryon chemical potential Reviewed

    M. Doering, S. Ejiri, O. Kaczmarek, F. Karsch, E. Laermann

    EUROPEAN PHYSICAL JOURNAL C   46 ( 1 )   179 - 189   2006.4

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    DOI: 10.1140/epjc/s2005-02462-y

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  • Isentropic equation of state of 2-flavor QCD Reviewed

    S Ejiri, F Karsch, E Laermann, C Schmidt

    PHYSICAL REVIEW D   73 ( 5 )   54506   2006.3

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    DOI: 10.1103/PhysRevD.73.054506

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  • Lee-Yang zero analysis for the study of QCD phase structure Reviewed

    S Ejiri

    PHYSICAL REVIEW D   73 ( 5 )   54502   2006.3

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    DOI: 10.1103/PhysRevD.73.054502

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  • Hadronic fluctuations at the QCD phase transition Reviewed

    S Ejiri, F Karsch, K Redlich

    PHYSICS LETTERS B   633 ( 2-3 )   275 - 282   2006.2

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    DOI: 10.1016/j.physletb.2005.11.083

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  • Heavy quark free energies and screening at finite temperature and non-zero baryon chemical potential Reviewed

    M. Döring, S. Ejiri, O. Kaczmarek, F. Karsch, E. Laermann

    Proceedings of Extreme QCD, Swansea 2005   93 - 97   2006.1

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  • Heavy quark potentials in full QCD lattice simulations at finite temperature

    Yuu Maezawa, S. Aoki, S. Ejiri, T. Hatsuda, N. Ishii, K. Kanaya, Y. Taniguchi, N. Ukita

    Proceedings of RIKEN BNL Research Center Workshop - QCD in Extreme Conditions   25 - 30   2006

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  • QCD thermodynamics with two-flavors of wilson quarks

    Shinji Ejiri, T. Hatsuda, N. Ishii, Y. Maezawa, N. Ukita, S. Aoki, K. Kanaya, Y. Taniguchi

    Proceedings of RIKEN BNL Research Center Workshop - QCD in Extreme Conditions   73 - 78   2006

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  • Heavy quark free energies and screening at finite temperature and density Reviewed

    M. Döring, S. Ejiri, O. Kaczmarek, F. Karsch, E. Laermann

    Proceedings of Science   LAT2005   193   2005.12

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    DOI: 10.22323/1.020.0193

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  • QCD Level Density from Maximum Entropy Method Reviewed

    Shinji Ejiri, Tetsuo Hatsuda

    Proceedings of Science   LAT2005   183   2005.12

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    DOI: 10.22323/1.020.0183

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  • QCD at non-zero temperature and density from the Lattice Reviewed

    CR Allton, S Ejiri, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   141   186 - 190   2005.4

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    DOI: 10.1016/j.nuclphysbps.2004.12.028

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  • Thermodynamics of two flavor QCD to sixth order in quark chemical potential Reviewed

    CR Allton, M Doring, S Ejiri, SJ Hands, O Kaczmarek, F Karsch, E Laermann, K Redlich

    PHYSICAL REVIEW D   71 ( 5 )   54508   2005.3

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    DOI: 10.1103/PhysRevD.71.054508

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  • Fluctuations in the vicinity of the phase transition line for two flavor QCD Reviewed

    S Ejiri, CR Allton, M Doring, SJ Hands, O Kaczmarek, F Karsch, E Laermann, K Redlich

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   140   505 - 507   2005.3

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  • Numerical study of the equation of state for two flavor QCD at non-zero baryon density Reviewed

    S Ejiri, CR Allton, M Doring, SJ Hands, O Kaczmarek, F Karsch, E Laermann, K Redlich

    STRONG AND ELECTROWEAK MATTER 2004, PROCEEDINGS   336 - 340   2005.1

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    DOI: 10.1142/9789812702159_0050

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  • Equation of state for two flavor QCD at nonzero chemical potential Reviewed

    CR Allton, S Ejiri, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    PHYSICAL REVIEW D   68 ( 1 )   14507   2004.5

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    DOI: 10.1103/PhysRevD.68.014507

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  • Remarks on the multiparameter reweighting method for the study of lattice QCD at nonzero temperature and density Reviewed

    S Ejiri

    PHYSICAL REVIEW D   69 ( 9 )   94506   2004.5

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    DOI: 10.1103/PhysRevD.69.094506

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  • Numerical study of the equation of state for two flavor QCD at finite density Reviewed

    S Ejiri, CR Allton, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    INTERNATIONAL CONFERENCE ON COLOR CONFINEMENT AND HADRONS IN QUANTUM CHROMODYNAMICS   408 - 412   2004.5

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    DOI: 10.1142/9789812702845_0034

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  • The equation of state for two flavor QCD at finite density Reviewed

    S Ejiri, CR Allton, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   129   545 - 547   2004.3

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    DOI: 10.1016/j.nuclphysbps.2003.12.213

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  • Where is the chiral critical point in 3-flavor QCD? Reviewed

    F Karsch, CR Allton, S Ejiri, SJ Hands, O Kaczmarek, E Laermann, C Schmidt

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   129   614 - 616   2004.3

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    DOI: 10.1016/j.nuclphysbps.2003.12.236

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  • Heavy quark free energies and the renormalized Polyakov loop in full QCD Reviewed

    O Kaczmarek, S Ejiri, F Karsch, E Laermann, F Zantow

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   153 ( 153 )   287 - 294   2004.1

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    DOI: 10.1143/PTPS.153.287

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  • Lattice simulations of 2-colour QCD with Wilson fermions Reviewed

    JI Skullerud, S Ejiri, S Hands, L Scorzato

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   153 ( 153 )   60 - 68   2004.1

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    DOI: 10.1143/PTPS.153.60

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  • Study of QCD thermodynamics at finite density by Taylor expansion. Reviewed

    S Ejiri, CR Allton, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   153 ( 153 )   118 - 126   2004.1

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    DOI: 10.1143/PTPS.153.118

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  • Calculation of nonleptonic kaon decay amplitudes from K -> pi matrix elements in quenched domain-wall QCD Reviewed

    J Noaki, S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, KI Nagai, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   68 ( 1 )   14501   2003.7

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    DOI: 10.1103/PhysRevD.68.014501

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  • Renormalization-group-improved action on anisotropic lattices Reviewed

    S Ejiri, K Kanaya, Y Namekawa, T Umeda

    PHYSICAL REVIEW D   68 ( 1 )   14502   2003.7

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    DOI: 10.1103/PhysRevD.68.014502

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  • Remarks on the reweighting method in the chemical potential direction Reviewed

    S Ejiri

    STRONG AND ELECTROWEAK MATTER 2002, PROCEEDINGS   261 - 265   2003.6

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    DOI: 10.1142/9789812704498_0025

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  • The quark mass and mu dependence of the QCD chiral critical point Reviewed

    C Schmidt, CR Allton, S Ejiri, SJ Hands, O Kaczmarek, F Karsch, E Laermann

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   119   517 - 519   2003.5

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    DOI: 10.1016/S0920-5632(03)01601-3

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  • The QCD phase transition at high temperature and low density Reviewed

    S Ejiri, CR Allton, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   119   538 - 540   2003.5

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    DOI: 10.1016/S0920-5632(03)01613-X

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  • Erratum: Light hadron spectroscopy with two flavors of dynamical quarks on the lattice [Phys. Rev. D65, 054505 (2002)] Reviewed

    A. Ali Khan, S. Aoki, G. Boyd, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Physical Review D   67 ( 5 )   059901   2003.3

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    DOI: 10.1103/physrevd.67.059901

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  • Light hadron spectrum and quark masses from quenched lattice QCD Reviewed

    S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   67 ( 3 )   34503   2003.2

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    DOI: 10.1103/PhysRevD.67.034503

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  • Erratum: Dynamical Quark Effects on Light Quark Masses [Phys. Rev. Lett. 85, 4674 (2000)] Reviewed

    A. Ali Khan, S. Aoki, G. Boyd, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Physical Review Letters   90 ( 2 )   029902   2003.1

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    DOI: 10.1103/physrevlett.90.029902

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  • QCD thermal phase transition in the presence of a small chemical potential Reviewed

    CR Allton, S Ejiri, SJ Hands, O Kaczmarek, F Karsch, E Laermann, C Schmidt, L Scorzato

    PHYSICAL REVIEW D   66 ( 7 )   74507   2002.10

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    DOI: 10.1103/PhysRevD.66.074507

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  • Scaling laws and effective dimension in latticeSU(2)Yang-Mills theory with a compactified extra dimension Reviewed

    Shinji Ejiri, Shouji Fujimoto, Jisuke Kubo

    Physical Review D   66 ( 3 )   036002   2002.8

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  • Charmonium spectrum from quenched anisotropic lattice QCD Reviewed

    M Okamoto, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, KI Ishikawa, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, K Nagai, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   65 ( 9 )   94508   2002.5

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    DOI: 10.1103/PhysRevD.65.094508

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  • QCD at nonzero chemical potential and temperature from the lattice Reviewed

    C.R. Allton, S. Ejiri, S.J. Hands, O. Kaczmarek, F. Karsch, E. Laermann, C. Schmidt, L. Scorzato

    Joint CCSM/JHF/NITP Workshop on Physics at the Japan Hadron Facility, Adelaide   2002.3

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    DOI: 10.1142/9789812776662_0015

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  • Calculation of K -&gt; pi pi decay amplitudes from K -&gt; pi matrix elements in quenched domain-wall QCD Reviewed

    S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, KI Nagai, J Noaki, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   332 - 334   2002.3

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    DOI: 10.1016/S0920-5632(01)01705-4

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  • Non-perturbative renormalization in domain-Wall QCD by Schrodinger functional scheme Reviewed

    S Aoki, Y Aoki, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   844 - 846   2002.3

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    DOI: 10.1016/S0920-5632(01)01862-X

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  • Equation of state for pure SU(3) gauge theory on anisotropic lattices Reviewed

    S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, Y Namekawa, M Okamoto, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   477 - 479   2002.3

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    DOI: 10.1016/S0920-5632(01)01752-2

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  • Aspects of the thermal phase transition of QCD with small chemical potential Reviewed

    S Ejiri, CR Allton, SJ Hands, O Kaczmarek, F Karsch, E Laermann, L Scorzato

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   459 - 461   2002.3

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    DOI: 10.1016/S0920-5632(01)01746-7

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  • Charmonium spectrum from quenched QCD on anisotropic lattices Reviewed

    S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, K Nagai, M Okamoto, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   364 - 366   2002.3

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    DOI: 10.1016/S0920-5632(01)01715-7

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  • Chiral property of domain-wall fermion from eigenvalues of 4D Wilson-Dirac operator Reviewed

    S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, Lesk, V, KI Nagai, M Okawa, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   106   718 - 720   2002.3

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    DOI: 10.1016/S0920-5632(01)01826-6

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  • Light hadron spectroscopy with two flavors of dynamical quarks on the lattice Reviewed

    AA Khan, S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   65 ( 5 )   054505   2002.3

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    DOI: 10.1103/PhysRevD.65.054505

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  • Kaon B parameter from quenched domain-wall QCD Reviewed

    AA Khan, S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, KI Nagai, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   64 ( 11 )   114506   2001.12

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    DOI: 10.1103/PhysRevD.64.114506

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  • Topological susceptibility in lattice QCD with two flavors of dynamical quarks Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    PHYSICAL REVIEW D   64 ( 11 )   114501   2001.12

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    DOI: 10.1103/PhysRevD.64.114501

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  • Hybrid quarkonia with dynamical sea quarks Reviewed

    T. Manke, A. Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Physical Review D   64 ( 9 )   097505 - 97505   2001.10

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    DOI: 10.1103/physrevd.64.097505

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  • Equation of state in finite-temperature QCD with two flavors of improved Wilson quarks Reviewed

    A. Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. I. Nagai, M. Okamoto, M. Okawa, H. P. Shanahan, Y. Taniguchi, A. Ukawa, T. Yoshié

    Physical Review D   64 ( 7 )   74510   2001.9

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    DOI: 10.1103/PhysRevD.64.074510

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  • Thermodynamics of SU(3) gauge theory on anisotropic lattices Reviewed

    Y. Namekawa, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, V. Lesk, M. Okamoto, M. Okawa, Y. Taniguchi, A. Ukawa, T. Yoshié

    Physical Review D   64 ( 7 )   74507 - 7450713   2001.9

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    DOI: 10.1103/PhysRevD.64.074507

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  • Bmeson decay constants from two-flavor lattice QCD with nonrelativistic heavy quarks Reviewed

    A. Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Physical Review D   64 ( 5 )   054504   2001.8

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    DOI: 10.1103/physrevd.64.054504

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  • Decay constants of B and D mesons from improved relativistic lattice QCD with two flavors of sea quarks Reviewed

    Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Ivvasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshie

    Physical Review D   64 ( 3 )   34505   2001.7

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    DOI: 10.1103/PhysRevD.64.034505

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  • Chiral properties of domain-wall quarks in quenched QCD Reviewed

    A. Ali Khan, S. Aoki, Y. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, T. Izubuchi, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. I. Nagai, J. Noaki, M. Okawa, H. P. Shanahan, Y. Taniguchi, A. Ukawa, T. Yoshié

    Physical Review D   63 ( 11 )   114504 - 114504   2001.5

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    DOI: 10.1103/physrevd.63.114504

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  • Lattice QCD at finite temperature Reviewed

    S Ejiri

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   19 - 26   2001.3

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    DOI: 10.1016/S0920-5632(01)00922-7

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  • Full QCD light hadron spectrum and quark masses: Final results from CP-PACS Reviewed

    AA Khan, S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, KI Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   229 - 232   2001.3

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    DOI: 10.1016/S0920-5632(01)00961-6

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  • Eigenvalues of the hermitian Wilson-Dirac operator and chiral properties of the domain-wall fermion Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kanebo, Y Kuramashi, T Manke, KI Nagai, J Noaki, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   725 - 728   2001.3

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    DOI: 10.1016/S0920-5632(01)00897-0

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  • Calculation of K -&gt; pi matrix elements in quenched domain-wall QCD Reviewed

    AA Khan, S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, KI Nagai, J Noaki, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   283 - 286   2001.3

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    DOI: 10.1016/S0920-5632(01)00933-1

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  • Kaon B-parameter from quenched domain-wall QCD Reviewed

    AA Khan, S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fikugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, KI Nagai, J Noaki, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   287 - 290   2001.3

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    DOI: 10.1016/S0920-5632(01)00934-3

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  • Quenched charmonium spectrum on anisotropic lattices Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, KI Nagai, M Okamoto, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   94   325 - 328   2001.3

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    DOI: 10.1016/S0920-5632(01)00951-3

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  • Light hadron spectrum from quenched lattice QCD: Results from the CP-PACS Reviewed

    Tomoteru Yoshié, A. Ali Khan, S. Aoki, G. Boyd, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Progress of Theoretical Physics   105 ( 1 )   37 - 75   2001.1

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    DOI: 10.1143/PTP.105.37

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  • Phase structure and critical temperature of two-flavor QCD with a renormalization group improved gauge action and clover improved Wilson quark action Reviewed

    A. Ali Khan, CP-PACS Collaboration, R. Burkhalter, S. Ejiri, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Manke, K. Nagai, A. Ukawa, T. Yoshié, S. Aoki, R. Burkhalter, N. Ishizuka, Y. Iwasaki, K. Kanaya, M. Okamoto, A. Ukawa, T. Yoshié, M. Fukugita, S. Hashimoto, T. Kaneko, M. Okawa, Y. Kuramashi

    Physical Review D   63 ( 3 )   34502   2000.12

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    DOI: 10.1103/PhysRevD.63.034502

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  • Sea quark effects on quarkonia Reviewed

    T. Manke, A. Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, K. Nagai, M. Okawa, H. P. Shanahan, A. Ukawa, T. Yoshié

    Physical Review D   62 ( 11 )   114508 - 114508   2000.11

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    DOI: 10.1103/physrevd.62.114508

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  • Dynamical quark effects on light quark masses Reviewed

    AA Khan, S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    PHYSICAL REVIEW LETTERS   85 ( 22 )   4674 - 4677   2000.11

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    DOI: 10.1103/PhysRevLett.85.4674

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  • Study on the nonperturbative existence of Yang-Mills theories with large extra dimensions Reviewed

    Shinji Ejiri, Jisuke Kubo, Michika Murata

    Physical Review D   62 ( 10 )   105025 - 105025   2000.10

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    DOI: 10.1103/physrevd.62.105025

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  • Eta meson mass and topology in QCD with two light flavors Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   162 - 164   2000.4

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    DOI: 10.1016/S0920-5632(00)91611-6

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  • Heavy-light spectrum and decay constant from NRQCD with two flavors of dynamical quarks Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   265 - 267   2000.4

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    DOI: 10.1016/S0920-5632(00)91642-6

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  • Heavy quarkonia from anisotropic and isotropic lattices Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   319 - 321   2000.4

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    DOI: 10.1016/S0920-5632(00)91660-8

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  • Heavy-light decay constants from clover heavy quark action in QCD with two flavors of dynamical quarks Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   331 - 333   2000.4

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    DOI: 10.1016/S0920-5632(00)91664-5

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  • Light hadron spectrum and quark masses in QCD with two flavors of dynamical quarks Reviewed

    AA Khan, S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   176 - 178   2000.4

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    DOI: 10.1016/S0920-5632(00)91615-3

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  • Equation of state for SU(3) gauge theory with RG improved action Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okamoto, M Okawa, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   384 - 386   2000.4

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    DOI: 10.1016/S0920-5632(00)91681-5

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  • Equation of state in finite-temperature QCD with improved Wilson quarks Reviewed

    AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okamoto, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   360 - 362   2000.4

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    DOI: 10.1016/S0920-5632(00)91673-6

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  • Quenched QCD with domain-wall fermions on coarse lattices Reviewed

    AA Khan, S Aoki, Y Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, T Izubuchi, K Kanaya, T Kaneko, Y Kuramashi, T Manke, K Nagai, M Okawa, HP Shanahan, Y Taniguchi, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   83-4   591 - 593   2000.4

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    DOI: 10.1016/S0920-5632(00)91747-X

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  • Quenched light hadron spectrum Reviewed

    S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    PHYSICAL REVIEW LETTERS   84 ( 2 )   238 - 241   2000.1

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    DOI: 10.1103/PhysRevLett.84.238

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  • Equation of state for pure SU(3) gauge theory with renormalization group improved action Reviewed

    M. Okamoto, A. Ali Khan, S. Aoki, R. Burkhalter, S. Ejiri, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, T. Manke, K. Nagai, M. Okawa, A. Ukawa, T. Yoshié

    Physical Review D   60 ( 9 )   94510   1999.10

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    DOI: 10.1103/PhysRevD.60.094510

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  • Hybrid quarkonia on asymmetric lattices Reviewed

    T Manke, HP Shanahan, AA Khan, S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, N Ishizuka, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, A Ukawa, T Yoshie

    PHYSICAL REVIEW LETTERS   82 ( 22 )   4396 - 4399   1999.5

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    DOI: 10.1103/PhysRevLett.82.4396

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  • Heavy quark physics in N-f=2 QCD Reviewed

    S Aoki, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   73 ( 1-3 )   375 - 377   1999.3

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    DOI: 10.1016/S0920-5632(99)85078-6

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  • The static quark potential in full QCD Reviewed

    S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   73   216 - 218   1999.3

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    DOI: 10.1016/S0920-5632(99)85027-0

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  • Non-perturbative determination of anisotropy coefficients and pressure gap at the deconfining transition of QCD Reviewed

    S Ejiri, Y Iwasaki, K Kanaya

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   73   411 - 413   1999.3

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    DOI: 10.1016/S0920-5632(99)85089-0

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  • Quenched light hadron spectrum with the Wilson quark action: Final results from CP-PACS Reviewed

    S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   73   189 - 191   1999.3

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    DOI: 10.1016/S0920-5632(99)85018-X

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  • Full QCD light hadron spectrum from the CP-PACS Reviewed

    S Aoki, G Boyd, R Burkhalter, S Ejiri, M Fukugita, S Hashimoto, Y Iwasaki, K Kanaya, T Kaneko, Y Kuramashi, K Nagai, M Okawa, HP Shanahan, A Ukawa, T Yoshie

    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS   73   192 - 194   1999.3

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    DOI: 10.1016/S0920-5632(99)85019-1

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  • Nonperturbative determination of anisotropy coefficients in lattice gauge theories Reviewed

    S. Ejiri, Y. Iwasaki, K. Kanaya

    Physical Review D   58 ( 9 )   94505   1998.10

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    DOI: 10.1103/PhysRevD.58.094505

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  • Monopole condensation and quark confinement at finite temperature QCD Reviewed

    S Ejiri

    NUCLEAR PHYSICS A   629 ( 1-2 )   89C - 92C   1998.2

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    DOI: 10.1016/S0375-9474(97)00670-2

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  • Critical exponents and Abelian dominance in SU(2) QCD Reviewed

    S Ejiri, S Kitahara, T Suzuki, K Yasuta

    PHYSICS LETTERS B   400 ( 1-2 )   163 - 168   1997.5

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    DOI: 10.1016/S0370-2693(97)00319-5

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  • Monopole action and monopole condensation in SU(3) lattice QCD Reviewed

    N Arasaki, S Ejiri, S Kitahara, Y Matsubara, T Suzuki

    PHYSICS LETTERS B   395 ( 3-4 )   275 - 282   1997.3

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    DOI: 10.1016/S0370-2693(97)00066-X

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  • Monopole condensation and Polyakov loop in finite-temperature pure QCD Reviewed

    S Ejiri

    NUCLEAR PHYSICS B   53   491 - 493   1997.2

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    DOI: 10.1016/S0920-5632(96)00696-2

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  • Three topics of monopole dynamics in abelian projected QCD Reviewed

    T Suzuki, Y Matsubara, S Kitahara, S Ejiri, N Nakamura, F Shoji, M Sei, S Kato, N Arasaki

    NUCLEAR PHYSICS B   53   531 - 534   1997.2

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    DOI: 10.1016/S0920-5632(96)00709-8

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  • Disorder parameter of confinement Reviewed

    N Nakamura, Bornyakov, V, S Ejiri, S Kitahara, Y Matsubara, T Suzuki

    NUCLEAR PHYSICS B   53   512 - 514   1997.2

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    DOI: 10.1016/S0920-5632(96)00703-7

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  • Critical exponents in abelian projected SU(2) QCD Reviewed

    S Kitahara, S Ejiri, T Suzuki, K Yasuta

    NUCLEAR PHYSICS B   53   506 - 508   1997.2

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    DOI: 10.1016/S0920-5632(96)00701-3

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  • Monopoles and spatial string tension in the high temperature phase of SU(2) QCD Reviewed

    S Ejiri

    PHYSICS LETTERS B   376 ( 1-3 )   163 - 168   1996.5

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    DOI: 10.1016/0370-2693(96)00245-6

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  • Study of gauge (in)dependence of monopole dynamics Reviewed

    S Ejiri, S Kitahara, Y Matsubara, T Okude, T Suzuki, K Yasuta

    NUCLEAR PHYSICS B   47   322 - 325   1996.3

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    DOI: 10.1016/0920-5632(96)00066-7

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  • Block spin transformation on the dual lattice and monopole action Reviewed

    T Suzuki, Y Matsubara, S Ejiri, K Yamada, N Arasaki

    NUCLEAR PHYSICS B   47   270 - 273   1996.3

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    DOI: 10.1016/0920-5632(96)00054-0

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  • Monopoles in high temperature phase of SU(2) QCD Reviewed

    S Ejiri

    NUCLEAR PHYSICS B   47   539 - 542   1996.3

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    DOI: 10.1016/0920-5632(96)00117-X

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  • STRING TENSION AND MONOPOLES IN T-NOT-EQUAL-O SU(2) QCD Reviewed

    S EJIRI, SI KITAHARA, Y MATSUBARA, T SUZUKI

    NUCLEAR PHYSICS B   42   481 - 483   1995.4

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    DOI: 10.1016/0920-5632(95)00286-I

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  • STRING TENSION AND MONOPOLES IN T-NOT-EQUAL-0 SU(2) QCD Reviewed

    S EJIRI, S KITAHARA, Y MATSUBARA, T SUZUKI

    PHYSICS LETTERS B   343 ( 1-4 )   304 - 309   1995.1

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    DOI: 10.1016/0370-2693(94)01457-N

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  • THE (DUAL) MEISSNER EFFECT IN SU(2) AND SU(3) QCD Reviewed

    Y MATSUBARA, S EJIRI, T SUZUKI

    NUCLEAR PHYSICS B   34   176 - 178   1994.4

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    DOI: 10.1016/0920-5632(94)90337-9

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  • Gradient flowによる(2+1)‐flavor QCD状態方程式―物理点での試験研究―

    金谷和至, 石見涼, 梅田貴士, 江尻信司, 北沢正清, 鈴木博, 谷口裕介

    日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.24pK201‐7   2018.3

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  • Equation of state in (2+1)-flavor QCD from the gradient flow - first test at the physical point

    Kanaya,Kazayuki, Iwami,Ryo, Umeda,Takashi, Ejiri,Shinji, Kitazawa,Masakiyo, Suzuki,Hiroshi, Taniguchi,Yusuke, WHOT-QCD,Collaboration

    Meeting Abstracts of the Physical Society of Japan   73   48 - 48   2018

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    DOI: 10.11316/jpsgaiyo.73.1.0_48

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  • Gradient flowを用いてみる一次相転移点近傍の熱力学量の性質

    白銀瑞樹, 江尻信司, 石見涼, 金谷和至, 北沢正清, 谷口裕介, 鈴木博, 梅田貴士, 若林直輝

    日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.12aS31‐5   2017.9

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  • Lattice spacing dependence of critical mass in the heavy quark region of QCD

    Itagaki,Shota, Iwami,Ryo, Umeda,Takashi, Ejiri,Shinji, Kanaya,Kazuyuki, Kitazawa,Masakiyo, Taniguchi,Yusuke

    Meeting Abstracts of the Physical Society of Japan   72 ( 0 )   1 - 1   2017

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    DOI: 10.11316/jpsgaiyo.72.2.0_1

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  • Properties of thermodynamic quantities near the first phase transition point observed using gradient flow method

    Shirogane,Mizuki, Ejiri,Shinji, Iwami,Ryo, Kanaya,Kazuyuki, Kitazawa,Masakiyo, Suzuki,Hiroshi, Taniguchi,Yusuke, Umeda,Takashi, Wakabayahi,Naoki

    Meeting Abstracts of the Physical Society of Japan   72 ( 0 )   2 - 2   2017

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    DOI: 10.11316/jpsgaiyo.72.2.0_2

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  • 21pAX-7 Critical line in finite temperature and density QCD by O(4) scaling analysis

    Iwami,Ryo, Ejiri,S, Kanaya,K, Ohno,H, Umeda,T, Yoshida,S

    日本物理学会講演概要集   71 ( 1 )   55 - 55   2016.3

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    DOI: 10.11316/jpsgaiyo.71.1.0_55

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  • Quenched QCDの一次相転移点における潜熱と圧力差

    白銀, 瑞樹, 江尻, 信司, 金谷, 和至, 北沢, 正清, 石見, 涼

    日本物理学会講演概要集   71 ( 1 )   53 - 53   2016.3

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    DOI: 10.11316/jpsgaiyo.71.1.0_53

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  • 24pDK-11 Quark mass and chemical potential dependence of finite temperature phase transition in many flavor QCD

    Iwami Ryo, Ejiri Shinji, Yamada Norikazu

    Meeting Abstracts of the Physical Society of Japan   70   50 - 50   2015

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    DOI: 10.11316/jpsgaiyo.70.1.0_50

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  • 19aSE-1 Quark mass and chemical potential dependence of finite temperature phase transition in many flavor QCD

    Iwami Ryo, Ejiri Shinji, Yamada Norikazu

    Meeting abstracts of the Physical Society of Japan   69 ( 2 )   9 - 9   2014.8

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  • 20aSE-7 Study of complex thermodynamical potential around the QCD critical point at finite density

    Ejiri Shinji, Shinno Yasuhiko, Yoneyama Hiroshi

    Meeting abstracts of the Physical Society of Japan   69 ( 2 )   12 - 12   2014.8

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  • 28pTG-5 Equation of state by a Lattice QGD calculation with the reweighting method

    Iwarni Ryo, Ejiri Shinji, Nakagawa Yoshiyuki

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   15 - 15   2014.3

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  • Technical problems in finite density lattice QCD and the attempts to solve them

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   68 ( 2 )   5 - 5   2013.8

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  • Beta function by a Lattice QCD calculation with the reweighting method

    Iwami Ryo, Ejiri Shinji, Nakagawa Yoshiyuki

    Meeting abstracts of the Physical Society of Japan   68 ( 2 )   5 - 5   2013.8

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  • 27aRE-2 Study of phase structure in finite temperature many-flavor QCD

    Ejiri Shinji, Yamada Norikazu

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   8 - 8   2013.3

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  • ヒストグラム法を用いた有限密度格子QCD(基研研究会「熱場の量子論とその応用」,研究会報告) Reviewed

    中川, 義之, 青木, 慎也, 江尻, 信司, 初田, 哲男, 金谷, 和至, 前沢, 祐, 大野, 浩, 斎藤, 華, 梅田, 貴史

    Soryushiron Kenkyu   119 ( 4 )   F111 - F113   2012.2

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    DOI: 10.24532/soken.119.4C_F111

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  • 17aSC-1 Study of the critical line in the low density region of 2-flavor finite temperature and density lattice QCD

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   66 ( 2 )   7 - 7   2011.8

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  • 重いクォークに対する非閉じ込め相転移の次数(相構造,学生プレゼンテーション,熱場の量子論とその応用,研究会報告) Reviewed

    斎藤, 華, 江尻, 信司, 青木, 慎也, 金谷, 和至, 初田, 哲男, 前沢, 祐, 大野, 浩史, 梅田, 貴史

    Soryushiron Kenkyu   118 ( 4 )   0 - 0   2011.2

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  • 有限密度QCDの臨界点近傍の特異性(相図,熱場の量子論とその応用,研究会報告)

    江尻 信司, 米山 博志

    素粒子論研究   118 ( 4 )   D125 - D126   2011

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    DOI: 10.24532/soken.118.4_D125

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  • 13aSC-5 Scaling behavior of 2-flavor QCD at finite density

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   7 - 7   2010.8

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  • 29pXF-5 Study of the phase structure of hot and dense lattice QCD

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   15 - 15   2009.3

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  • 22aSB-7 Hot and Dense QCD from Lattice Simulations

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   64 - 64   2008.8

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  • 高温高密度での格子量子色力学

    江尻信司

    原子核研究   51 ( Suppl. 1 )   17 - 24   2007.3

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  • 22aSC-1 Heavy quark potential in full QCD lattice simulations at finite temperature

    Maezawa,Y, Aoki,S, Ejiri,E, Hatsuda,T, Ishii,N, Kanaya,K, Taniguchi,Y, Ukita,N

    Meeting abstracts of the Physical Society of Japan   61 ( 2 )   17   2006.8

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  • 30aWB-7 QCD phase transition at finite density and temperature

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   46 - 46   2006.3

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  • Study of QCD phase transition by lattice simulations(Hadrons at finite density)

    Ejiri Shinji

    Soryushiron Kenkyu Electronics   114 ( 2 )   B45 - B47   2006

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    We will review the recent studies of the QCD phase structure by numerical simulations in the low density region. It is important to investigate the phase structure and the equation of state of QCD in the low density regime which is interesting for heavy-ion collision experiments. The studies of the phase structure and the equation of state can provide basic input for the analysis of the experimental signatures for QGP formation. In the last several years, remarkable progress in exploring the QCD phase structure in the temperature (T) and quark chemical potential (μ_q) plane have been made in numerical studies of lattice QCD. The phase transition line, separating hadron phase and quark-gluon plasma phase, was investigated from μq=0 to finite μ_q [1, 2, 3, 4, 5], and the equation of state was also analyzed quantitatively at low density [3, 6]. Moreover the study of the endpoint of first order phase transition line in the (T, μ_q) plane, whose existence is suggested by phenomenological studies [7, 8], is particularly interesting both from the experimental and theoretical points of view. To find this endpoint, event by event fluctuations have been measured in heavy ion collisions. In this report, we review recent progress of lattice QCD simulations, highlighting the study of the critical endpoint in the (T,μ_q) plane. The lattice QCD at nonzero baryon density is known to have a serious problem called "sign problem", however this problem is not very serious for the studies in the low density region, and interesting results have been gradually obtained using the following approaches.

    DOI: 10.24532/soken.114.2_B45

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  • 格子QCDの数値シミュレーションによる高温高密度でのQCD相転移の研究

    江尻信司

    素粒子論研究   112 ( 3 )   C85 - C94   2005.12

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    DOI: 10.24532/soken.112.3_C85

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  • 28aSJ-2 Study of QCD at high temperature and density by numerical simulations

    Ejiri Shinji

    Meeting abstracts of the Physical Society of Japan   59 ( 2 )   31 - 31   2004.8

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  • 22pSC-9 Thermodynamics of SU(3) gauge theory on anisotropic lattices

    Namekawa,Y, Aoki,S, Burkhalter,R, Ejiri,S, Fukugita,M, Hashimoto,S, Ishizuka,N, Iwasaki,Y, Kanaya,K, Kaneko,T, Kuramashi,Y, Lesk,V, Okamoto,M, Okawa,M, Taniguchi,Y, Ukawa,A, Yoshie,T

    Meeting abstracts of the Physical Society of Japan   56 ( 2 )   3 - 3   2001.9

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  • 有限温度・有限密度QCDの最近の発展

    江尻信司

    素粒子論研究   103 ( 1 )   A41 - A53   2001.4

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    この報告では、有限温度・有限密度格子QCDの数値シミュレーションによる研究の最近の発展についてレビューする。特に、フレーバー数2と3のQCDの相転移温度の研究、カイラル相転移の臨界現象の性質、クォーク・グルーオン・プラズマの状態方程式といった話題について議論する。

    DOI: 10.24532/soken.103.1_A41

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  • A Study on the Existance of Yang-Mills Theoroes with Latrge Extra Dimension

    Ejiri S., Kubo J., Murata M.

    Meeting abstracts of the Physical Society of Japan   55 ( 2 )   6 - 6   2000.9

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  • 29p-YP-4 The monopole action using the improved action

    Suzuki Tsuneo, Ejiri Shinji, Shouji Fumiyosi, Yamagisi Kentarou

    Meeting abstracts of the Physical Society of Japan   52 ( 1 )   7 - 7   1997.3

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  • 有限温度Lattice QCDにおけるMonopole(量子場の理論の新しい展開,研究会報告)

    江尻 信司

    素粒子論研究   92 ( 3 )   C71 - C75   1995.12

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    我々、金沢のグループでは、QCDにおけるクォークの閉じ込め機構が、monopoleの凝縮による、Dnal Meissner効果として理解できるかどうかを、Lattice QCDのMonte-Carlo simulationによって確かめるといった研究をつづけています。ここでは、SU(2)pnre QCDの有限温度閉じ込め・非閉じ込め相転移における、monopoleの役割について、我々が得た結果を報告します。

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  • String tension and monopole on finite temperature Lattice QCD((5).Development in Lattice and Field theroy,YITP workshop(Particle physics and its future perspective))

    Ejiri S.

    Soryushiron Kenkyu   92 ( 1 )   A66   1995.10

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  • 30a-SH-10 Monopole Action in Lattice QCD

    Arasaki Natsuko, Ejiri Shinji, Matsubara Yoshimi, Suzuki Tsuneo

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 1 )   21 - 21   1995.9

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  • 30a-SH-7 Gauge Independence of Monopole Dynamics

    Ejiri S., Matsubara Y., Suzuki T.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 1 )   20 - 20   1995.9

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  • Monopole Action in Lattice QCD

    Arasaki Natsuko, Ejiri Shinji, Matsubara Yoshimi, Suzuki Tsuneo

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 1 )   15 - 15   1995.3

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  • Spatial string tension and monopoles in finite temperature Latice QCD

    Ejiri Shinji

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 1 )   17 - 17   1995.3

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  • MONOPOLE ACTION AND THE RENORMALIZED TRAJECTORY IN SU(2)QCD

    Ejiri Shinji, Matsubara Yoshimi, Suzuki Tsuneo, Yotsuji Kenji

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 1 )   16 - 16   1995.3

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  • 28p-S-1 Monopole behaviors in abelian projected lattice QCD

    Itho M, Ilyar S, Ejiri S, Shiba H, Suzuki T

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   49 ( 1 )   6 - 6   1994.3

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Presentations

  • Phase structure of finite temperature density QCD in heavy quark regime by hopping parameter expansion International conference

    Shinji Ejiri

    German Japanese Workshop 2024  2024.9  University of Mainz

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    Event date: 2024.9

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Mainz   Country:Germany  

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  • First-order phase transitions in the heavy quark region of lattice QCD at high temperatures and high densities International conference

    Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa

    Lattice 2024, International Symposium on Lattice Field Theory  2024.7 

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    Event date: 2024.7 - 2024.8

    Language:English   Presentation type:Oral presentation (general)  

    Venue:University of Liverpool, Liverpool   Country:United Kingdom  

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  • Lee-Yang zero analysis near the critical point of the heavy quark region of finite temperature/density lattice QCD

    S. Ejiri, M. Kitazawa, K. Kanaya, T. Wada

    The Physical Society of Japan 2024 Spring Meeting  2024.3 

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    Event date: 2024.3

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  • Phase structure of finite temperature and density lattice QCD in the heavy quark region Invited International conference

    Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroto Sugawara

    International workshop ``Large-scale lattice QCD simulation and application of machine learning''  2023.11  Center for Computational Science, University of Tsukuba

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    Event date: 2023.11

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Tsukuba   Country:Japan  

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  • Chemical potential dependence of the endpoint of the first-order phase transition in the heavy-quark region of finite-temperature lattice QCD International conference

    Shinji Ejiri, Kazuyuki Kanaya, Masakiyo Kitazawa

    Lattice 2023, International Symposium on Lattice Field Theory  2023.7 

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    Event date: 2023.7 - 2023.8

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Fermi National Accelerator Laboratory   Country:United States  

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  • 有限温度格子QCDの重クォーク領域での一次相転移の終点の化学ポテンシャル依存性

    江尻信司, 芦川涼, 金谷和至, 北沢正清

    日本物理学2023年春季大会  2023.3  日本物理学会

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

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  • 重クォーク領域における有限密度格子QCDの臨界点決定のためのホッピングパラメータ展開

    江尻信司, 金谷和至, 北沢正清, 若林直輝

    基研研究会「熱場の量子論とその応用」  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Convergence of hopping parameter expansions for determining critical points in the heavy quark region

    S. Ejiri, K. Kanay, M. Kitazawa, N. Wakabayashi

    The Physical Society of Japan 2022 Annual (77th) Meeting  2022.3 

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

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  • Phase structure of QCD in the heavy quark region Invited International conference

    Shinji Ejiri

    YITP workshop “QCD phase diagram and lattice QCD”  2021.10  Yukawa institute, Kyoto University

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    Event date: 2021.10

    Language:English   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

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  • Particle density probability distribution function and center symmetry breaking in finite density lattice gauge theories International conference

    Shinji Ejiri

    Lattice 2021, International Symposium on Lattice Field Theory  2021.7 

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    Event date: 2021.7

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Massachusetts, MIT (online)   Country:United States  

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  • Latent heat and pressure gap at the first-order phase transition point of SU(3) gauge theory using the small flow-time expansion method

    Shinji Ejiri, Mizuki Shirogane, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Hiroshi Suzuki, Yusuke Taniguchi, Takashi Umeda

    The Physical Society of Japan 2021 Annual (76th) Meeting  2021.3 

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  • Avoiding the sign problem in finite density lattice gauge theories by the center symmetry

    Shinji Ejiri

    2020.9 

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  • Particle density probability distribution function using an avoidance method of the sign problem by center symmetry in finite density lattice gauge theories

    Shinji Ejiri

    2020.8 

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  • End point of first order phase transitions and sign problem in finite density lattice gauge theories Invited

    Shinji Ejiri

    2020.5 

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  • Quark number distribution function and center symmetry in finite density lattice QCD

    Shinji Ejiri

    International Symposium on Clustering as a Window on the Hierarchical Structure of Quantum Systems (CLUSHIQ2020)  2020.1 

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    Event date: 2020.1

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  • 有限密度格子QCDにおけるクォーク密度確率分布関数と符号問題について

    江尻 信司

    日本物理学会2019年秋季大会  2019.9 

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    Venue:山形大学、山形市  

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  • 有限密度格子ゲージ理論における符号問題とセンター対称性

    EJIRI Shinji

    2019.9 

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  • Center symmetry and the sign problem of finite density lattice gauge theory International conference

    EJIRI Shinji

    XQCD 2019, International workshop on QCD in extreme conditions  2019.6 

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    Venue:Univ. of Tsukuba, Tokyo, Japan  

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  • Determination of the endpoint of the first order deconfiniement phase transition in the heavy quark region of QCD International conference

    EJIRI Shinji

    Lattice 2019, International Symposium on Lattice Field Theory  2019.6 

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    Venue:Wuhan, China  

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  • Numerical study of the endpoint of first order phase transition lines in finite density Lattice QCD Density Fluctuations, Sign problem Invited

    EJIRI Shinji

    2019.5 

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  • Canonical partition function of lattice QCD and finite density phase transitions Invited

    Shinji Ejiri

    Shikoku Seminar 2018 (Sign problem and its application)  2018.12 

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  • Thermodynamics near the first order phase transition point of SU(3) gauge theory International conference

    Shinji Ejiri

    Long-term Workshop on New Frontiers in QCD 2018 (NFQCD2018)  2018.5 

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    Venue:Kyoto University, Kyoto, Japan  

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  • Finite Density Lattice QCD Invited International conference

    Shinji Ejiri

    Reimei Workshop "Hadronic Resonances and Dense Nuclear Matter"  2017.12 

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    Venue:Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan  

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  • 格子ゲージ理論による有限密度QCDの臨界点探索 Invited

    江尻信司

    研究会「J-PARCエネルギー領域重イオン衝突のダイナミクス」  2017.9 

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    Venue:高エネルギー加速器研究機構、東海キャンパス、茨城県東海村  

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  • Determination of latent heat at the finite temperature phase transition of SU(3) gauge theory International conference

    Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Yusuke Taniguchi, Hiroshi Suzuki, Mizuki Shirogane, Takashi Umeda, Naoki Wakabayashi

    Lattice 2017, International Symposium on Lattice Field Theory  2017.6 

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    Venue:Granada, Spain  

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  • Determination of latent heat at the finite temperature phase transition of SU(3) gauge theory International conference

    Shinji Ejiri, Ryo Iwami, Kazuyuki Kanaya, Masakiyo Kitazawa, Yusuke Taniguchi, Hiroshi Suzuki, Mizuki Shirogane, Takashi Umeda, Naoki Wakabayashi

    Lattice 2016, International Symposium on Lattice Field Theory  2016.7 

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    Venue:University of Southampton, Southampton, UK  

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  • Phase structure of QCD at high temperature and high density by numerical simulations of lattice QCD Invited International conference

    Shinji Ejiri

    NIC-XIV School (School for Nuclei in the Cosmos XIV)  2016.6 

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    Venue:新潟大学  

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  • Critical point search from an extended parameter space of lattice QCD at finite temperature and density International conference

    Shinji Ejiri, Ryo Iwami, Norikazu Yamada, Hiroshi Yoneyama

    Quark Matter 2015, International Conference on Ultra Relativistic Nucleus Nucleus Collisions  2015.9 

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    Venue:神戸市  

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  • Phase structure in an extended parameter space of lattice QCD at finite temperature and density Invited International conference

    Shinji Ejiri

    International workshop on QCD in extreme conditions  2015.9 

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    Venue:華中師範大学, 武漢, 中国  

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  • 再重みづけ法による高温高密度格子QCD Invited

    江尻信司

    有限温度密度系の物理と格子QCDシミュレーション  2015.9 

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    Venue:筑波大学計算科学研究センター, つくば市  

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  • Quark mass dependence of the nature of QCD phase transition Invited International conference

    Shinji Ejiri

    CCS-BNL Workshop on Lattice Gauge Theories 2015 (CCS-BNL LGT 2015)  2015.3  Center for Computational Sciences, University of Tsukuba

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    Venue:Tsukuba, Japan  

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  • First order transitions in finite temperature and density QCD with two and many flavors Invited International conference

    Shinji Ejiri

    Hadrons and Hadron Interactions in QCD 2015 (HHIQCD2015)  2015.2  京都大学 基礎物理学研究所

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    Venue:京都  

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  • First order transition regions in the quark masses and chemical potential parameter space of many-flavor QCD International conference

    Shinji Ejiri

    Critical Point and Onset of Deconfinement (CPOD 2014)  2014.11 

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    Venue:Bielefeld University, Bielefeld, Germany  

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  • 有限温度系 Invited

    江尻信司

    KEK格子ゲージ理論スクール  2014.11  高エネルギー加速器研究機構

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    Venue:つくば市  

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  • Quark mass dependence of the nature of QCD phase transition at high temperature and density by a histogram method Invited International conference

    Shinji Ejiri

    Quark Confinement and the Hadron Spectrum XI (Confinement XI)  2014.9 

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    Venue:St. Petersburg, Russia  

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  • 多フレーバー格子ゲージ理論からの高温高密度QCD相転移の研究

    江尻信司

    熱場の量子論とその応用  2014.9  理化学研究所 iTHES

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    Venue:埼玉県和光市  

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  • 高温高密度格子QCDの最近の進展 Invited

    江尻信司

    素粒子物理学の進展2014  2014.7 

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    Venue:京都大学基礎物理学研究所  

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  • Quark mass dependence of finite temperature phase transitions in QCD with many flavors of Wilson fermions International conference

    Shinji Ejiri, Norikazu Yamada

    "Lattice 2014", International Symposium on Lattice Field Theory  2014.6 

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    Venue:Columbia University, New York, USA  

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  • Nature of phase transitions in finite temperature and density QCD with many-flavors Invited International conference

    Shinji Ejiri

    SIGN 2014, International EMMI Workshop on the Sign Problem in QCD and beyond  2014.2  GSI, EMMI

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    Venue:Darmstadt, Germany  

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  • Numerical simulations to understand QCD phase transition at high temperature and density Invited International conference

    Shinji Ejiri

    Workshop on Lattice QCD at finite temperature and density  2014.1  高エネルギー加速器研究機構

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    Venue:筑波  

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  • 有限温度・有限密度格子QCD研究の現状と今後の展望 Invited

    江尻信司

    新学術領域「素核宇宙融合による計算科学に基づいた重層的物質構造の解明」のまとめと今後を語る研究会  2013.12 

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    Venue:宮城県鳴子温泉  

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  • Nature of QCD phase transition at finite temperature and density Invited International conference

    Shinji Ejiri

    Long-term Workshop on New Frontiers in QCD 2013 (NFQCD2013)  2013.11  京都大学基礎物理学研究所

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    Venue:京都  

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  • QCD phase structure by a histogram method Invited International conference

    Shinji Ejiri

    Lattice Field Theory on multi-PFLOPS computers, German-Japanese Seminar 2013  2013.11 

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    Venue:Regensburg, Germany  

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  • 有限密度格子QCDの数値的研究における技術的な困難とその解決にむけた試み Invited

    江尻信司

    日本物理学会2013年秋季大会  2013.9  日本物理学会

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    Venue:高知大学  

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  • 高温高密度多フレーバーQCDにおける一次相転移の終点

    江尻信司, 山田憲和

    熱場の量子論とその応用  2013.8 

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    Venue:京都大学基礎物理学研究所  

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  • Nature of finite temperature and density phase transitions in many-flavor QCD International conference

    Shinji Ejiri, Norikazu Yamada

    "Lattice 2013" International Symposium on Lattice Field Theory  2013.7 

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    Venue:Mainz, Germany  

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  • QCDの有限温度相転移、複合ヒッグス模型、電弱相転移

    江尻信司

    第41回北陸信越地区素粒子論グループ研究会  2013.5 

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    Venue:富山県、国立立山青少年自然の家  

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  • 有限温度多フレーバーQCDの相構造の研究

    江尻信司, 山田憲和

    日本物理学会第68回年次大会  2013.3  日本物理学会

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    Venue:広島大学  

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  • Study of finite density lattice QCD by the histogram method International conference

    Shinji Ejiri

    Symposium on Quarks to Universe in Computational Science (QUCS 2012)  2012.12  新学術領域研究「素核宇宙融合による計算科学に基づいた重層的物質構造の解明」

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    Venue:奈良県新公会堂  

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  • Numerical study of QCD phase structure at finite temperature and density International conference

    Shinji Ejiri

    Conference on Computational Physics 2012 (CCP 2012)  2012.10  C20, IUPAP

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    Venue:Kobe, Japan  

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  • Critical point in finite density 2-flavor QCD by the histogram method International conference

    Shinji Ejiri

    Workshop on "QCD Structure"  2012.10  Central China Normal University,

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Wuhan, China  

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  • Phase structure of lattice QCD at finite density by a histogram method International conference

    Shinji Ejiri

    International Workshop on the Sign Problem in QCD and Beyond  2012.9  Regensburg University

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:Regensburg, Germany  

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  • Study of finite density lattice QCD by a histogram method International conference

    Shinji Ejiri

    New Frontiers in Lattice Gauge Theory  2012.8 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:The Galileo Galilei Institute for Theoretical Physics, Florence, Italy  

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  • Probability distribution functions in the finite density lattice QCD International conference

    S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Nakagawa, H. Ohno, H. Saito, T. Umeda, HOT-QCD Collaboration

    "Lattice 2012", International Symposium on Lattice Field Theory  2012.6 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:Cairns, Australia  

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  • 有限密度格子QCDにおける符号問題の解決に向けた状態密度法による試み

    江尻信司

    第2回HPCI戦略プログラム、分野2×分野5異分野交流研究会-量子モンテカルロ計算-  2012.5 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京大学、物性研究所  

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  • Phase structure of finite density lattice QCD by a histogram method International conference

    Shinji Ejiri

    YIPQS-HPCI international molecule-type workshop on New-type of Fermions on the Lattice  2012.2  Yukawa Institute for Theoretical Physics

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:Kyoto, Japan  

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  • Finite Density Lattice QCD

    江尻信司

    HPCI研究会「計算的手法による素粒子論研究の広がり」  2011.12 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:高エネルギー加速器研究機構  

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  • 高温高密度での格子QCDシミュレーション

    江尻信司

    素核融合による計算基礎物理学の進展  2011.12 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:三重県志摩市  

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  • Finite Density Lattice QCD by a Histogram Method International conference

    Shinji Ejiri

    2nd Workshop on Quarks and Hadrons under Extreme Conditions - Lattice QCD, Holography, Topology, and Physics at RHIC / LHC  2011.11 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Keio University, Kanagawa, Japan  

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  • Numerical Study of QCD Phase Diagram at High Temperature and Density by a Histogram Method International conference

    Shinji Ejiri

    7th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2011)  2011.11  Central China Normal University

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Wuhan, China  

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  • Study of QCD Phase Transition at Finite Density by a Histogram Method International conference

    Shinji Ejiri

    Workshop on "Fluctuations, Correlations and RHIC Low Energy Runs"  2011.10  Brookhaven National Laboratory

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Upton, New York, USA  

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  • 低密度領域における2フレーバー有限温度密度格子QCDの臨界線の研究

    江尻信司, HOT-QCD Collaboration

    日本物理学会2011年秋季大会  2011.9  日本物理学会

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:弘前大学  

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  • 有限温度密度格子QCD計算

    江尻信司

    格子QCD将来戦略検討会  2011.7 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京大学理学部  

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  • Study of finite density lattice QCD by a density of state method International conference

    Shinji Ejiri, HOT-QCD Collaboration

    International workshop "Extreme QCD 2011"  2011.7 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:San Carlos, Mexico  

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  • QCD thermodynamics by numerical simulations of Lattice QCD with Wilson-type quarks International conference

    S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, Y. Nakagawa, H. Ohno, H. Saito, T. Umeda, HOT-QCD Collaboration

    "Quark Matter 2011", International Conference on Ultra Relativistic Nucleus Nucleus Collisions  2011.5 

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    Language:English   Presentation type:Poster presentation  

    Venue:Annecy, France  

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  • Nature of QCD phase transition in the chemical potential and quark mass parameter space International conference

    Shinji Ejiri, HOT-QCD Collaboration

    International workshop "Nonperturbative Aspects of QCD at Finite Temperature and Density"  2010.11  Center for Computational Science, University of Tsukuba

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Tsukuba, Ibaraki, Japan  

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  • Density of state method for the study of finite density lattice QCD International conference

    Shinji Ejiri, HOT-QCD Collaboration

    "Lattice QCD confronts experiments", Japanese German seminar 2010  2010.11 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:Mishima, Shizuoka, Japan  

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  • 高温・高密度格子QCDの最近の進展

    江尻信司

    次世代格子ゲージシミュレーション研究会  2010.9 

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    Language:Japanese   Presentation type:Oral presentation (keynote)  

    Venue:埼玉県和光市、理化学研究所  

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  • 有限密度での2フレーバーQCDのスケーリング則

    江尻信司, HOT-QCD Collaboration

    日本物理学会2010年秋季大会  2010.9  日本物理学会

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:福岡県北九州市、九州工業大  

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  • Lattice QCD at finite density International conference

    Shinji Ejiri

    Summer Institute 2010 (Phenomenology part)  2010.8 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:Fujiyoshida, Yamanashi, Japan  

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  • 格子QCDによる有限温度・密度解析

    江尻信司

    新学術領域研究「素核宇宙融合による計算科学に基づいた重層的物質構造の解明」計画研究A01班「量子色力学にもとづく真空構造とクォーク力学」第3回A01班研究会  2010.7 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:筑波大学計算科学研究センター  

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  • A method to study finite density lattice QCD International conference

    Shinji Ejiri

    WE-Heraeus Seminar "Extreme QCD 2010"  2010.6  Wilhelm und Else Heraeus Stiftung

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Bad Honnef, Germany  

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  • Scaling behavior of chiral phase transition in two-flavor QCD with improved Wilson quarks at finite density International conference

    S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa, Y. Nakagawa, H. Ohno, H. Saito, T. Umeda, HOT-QCD Collaboration

    "Lattice 2010", International Symposium on Lattice Field Theory  2010.6 

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    Language:English   Presentation type:Poster presentation  

    Venue:Villasimius, Sarginia, Italy  

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  • Lattice QCD at finite temperature and density International conference

    Shinji Ejiri

    YITP long-term workshop "New Frontiers in QCD 2010 (NFQCD10)"  2010.1  Yukawa Institute, Kyoto University

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    Venue:Kyoto, Japan  

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Awards

  • 2008 Nakamura Seitaro prize

    2009.3  

    Soryushi Shogakukai

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    Award type:Award from publisher, newspaper, foundation, etc.  Country:Japan

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Research Projects

  • Phase structure of high-temperature, high-density lattice QCD - an approach from the heavy quark region

    Grant number:25K07299

    2025.4 - 2029.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    Shinji Ejiri

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    Authorship:Principal investigator 

    Grant amount:\4680000 ( Direct Cost: \3600000 、 Indirect Cost:\1080000 )

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  • Particle density probability distribution function and avoidance of sign problem in finite density lattice QCD

    Grant number:21K03550

    2021.4 - 2025.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    Shinji Ejiri

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    Authorship:Principal investigator 

    Grant amount:\4160000 ( Direct Cost: \3200000 、 Indirect Cost:\960000 )

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  • Toward the determination of physical quantities in finite temperature QCD

    Grant number:20H01903

    2020.4 - 2023.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (B)

    Awarding organization:Japan Society for the Promotion of Science

    Suzuki Hiroshi

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    Authorship:Coinvestigator(s) 

    Grant amount:\17940000 ( Direct Cost: \13800000 、 Indirect Cost:\4140000 )

    We calculate the quantities in finite temperature Quantum Chromodynamics (QCD), which is the fundamental theory of strong interactions, using lattice gauge theory from first principles. This calculation answers not only academic question on the properties of particles in extreme states but also provides fundamental data from a theoretical perspective for studying the early universe evolution, dynamics of heavy-ion collisions, and the abundance of axion dark matter. In conventional methods, a tremendous amount of computational resources is required to determine the variation of lattice parameters under the change of the lattice spacing (the so-called beta function) . We circumvent this difficulty by employing the gradient flow to construct the physical quantities (SFtX method). The initial numerical calculations are almost completed, and only the final analyses remain.

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  • Numerical study of the endpoint of first order phase transition lines in finite density lattice QCD

    Grant number:19H05146

    2019.4 - 2021.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Awarding organization:Japan Society for the Promotion of Science

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\2990000 ( Direct Cost: \2300000 、 Indirect Cost:\690000 )

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  • 計算機シミュレーションによる超高温・高密度状態での強い相互作用の性質

    Grant number:30-1-9

    2018.7 - 2019.3

    System name:内田エネルギー科学振興財団、助成事業

    Awarding organization:民間財団等

    江尻信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\300000 ( Direct Cost: \300000 )

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  • Phase structure of lattice field theories

    2016.4 - 2017.3

    Research category:Bilateral Programs, Joint research seminar with Germany(DFG)

    Shinji Ejiri

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\2000000 ( Direct Cost: \1400000 、 Indirect Cost:\600000 )

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  • Nature and phase structure of quark matter at finite temperature and density

    Grant number:15K05041

    2015.4 - 2019.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    Kanaya Kazuyuki, EJIRI shinji, KITAZAWA masakiyo, SUZUKI hiroshi, TANIGUCHI yusuke, UMEDA takashi

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    Authorship:Coinvestigator(s) 

    Grant amount:\4550000 ( Direct Cost: \3500000 、 Indirect Cost:\1050000 )

    We investigate thermodynamic properties of quark matter by a systematic study of finite temperature QCD with (2+1) flavors of improved Wilson quarks applying the Suzuki method based on the gradient flow. As the first step, we studied the case of heavy u and d quarks on a fine lattice. We found that the the energy-momentum tensor is consistent with our previous evaluation of the equation of state adopting a conventional method, and that the chiral condensate and the chiral susceptibility show a clear signal of chiral restoration at pseudocritical temperature suggested by previous observations. We also find that the results of the gluonic definition for the topological susceptibility are consistent with those of the fermionic definition already on finite lattices. Extending the study to QCD with physical u and d quarks, we got preliminary results suggesting the transition temperature consistent with previous studies with staggered-type quarks. We also studied viscosities etc.

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  • Study of novel phenomena caused by the quark-gluon many-body correlations and a lattice QCD calculation of the nucleon structure function

    Grant number:26287040

    2014.4 - 2019.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (B)

    Awarding organization:Japan Society for the Promotion of Science

    KOIKE YUJI, YOSHIDA shinsuke

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    Grant amount:\16510000 ( Direct Cost: \12700000 、 Indirect Cost:\3810000 )

    Large single spin asymmetries (SSA) observed in the inclusive production of hadrons in high-energy electron-nucleon and nucleon-nucleon collisions have been a long-standing mystery in the strong interaction physics. In this research, using a new formalism that incorporates the effect of multi-quark and -gluon correlations (twist-3 effect) overlooked in the previous studies, we have derived theoretical formulas for the SSAs in typical processes and have carried out a numerical analysis of the experimental data. This has provided us with a new insight into the mechanism of SSAs. We have also performed a theoretical analysis for the exclusive lepton-pair production process in the pion-nucleon collision which will be measured in a future experiment, including the relevant twist-3 effect.

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  • Search for the critical point of lattice QCD at high temperature and density focusing on probability distribution functions

    Grant number:26400244

    2014.4 - 2018.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    Ejiri Shinji

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4810000 ( Direct Cost: \3700000 、 Indirect Cost:\1110000 )

    We studied quantum chromodynamics (QCD) at high temperature and density by numerical simulations. Treating the quark masses as parameters of the system as well as the temperature and chemical potential, we investigated the nature of phase transitions by calculating probability distribution functions.
    We investigated the critical surface which separates the first order transition and crossover regions in the heavy quark region, and demonstrated the usefulness of our method. The pressure gap and the latent heat between the two phases at the first phase transition were calculated when the quark mass is infinite. Furthermore, we tried calculation of thermodynamic quantities using the gradient flow method which has recently attracted attention.

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  • Study of QCD phase structure at high temperatre and density by numelical simulations

    Grant number:23540295

    2011.4 - 2014.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    EJIRI Shinji

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    Grant amount:\5200000 ( Direct Cost: \4000000 、 Indirect Cost:\1200000 )

    We studied quantum chromodynamics (QCD) at high temperature and density by numerical simulations. Treating the quark masses as parameters of the system as well as the temperature and chemical potential, we proposed a method to investigate the nature of phase transitions by calculating probability distribution functions. First, we tested usability of the method studying the heavy quark region at finite density and actually found the critical surface which separates the crossover and first order transition regions in the heavy quark region. Second, we performed simulations with 2-flavor dynamical quarks. The results suggest that the crossover transition at low density will change first order at high density, which have been predicted by phenomenological studies. Furthermore, we did various studies related to the QCD phase transition such as the scaling behavior of the chiral phase transition at low density.

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  • 状態密度法による有限密度QCDの計算方法の開発

    Grant number:23105706

    2011.4 - 2013.3

    System name:科学研究費助成事業

    Research category:新学術領域研究(研究領域提案型)

    Awarding organization:日本学術振興会

    江尻 信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\2600000 ( Direct Cost: \2000000 、 Indirect Cost:\600000 )

    有限密度QCDの計算を行うために、状態密度法という計算方法の開発を行う。

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  • 高温高密度での格子量子色力学の数値的研究

    Grant number:22840020

    2010.8 - 2011.3

    System name:科学研究費助成事業

    Research category:研究活動スタート支援

    Awarding organization:日本学術振興会

    江尻 信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\3120000 ( Direct Cost: \2400000 、 Indirect Cost:\720000 )

    高温高密度での格子量子色力学の数値的研究を行った。

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  • Study of QCD at finite temperature and finite density on the lattice with physical quark masses

    Grant number:21340049

    2009.4 - 2014.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (B)

    Awarding organization:Japan Society for the Promotion of Science

    KANAYA Kazuyuki, AOKI Sinya, HATSUDA Tetsuo, UKAWA Akira, NAKAMURA Atsushi, EJIRI Shinji, UMEDA Takashi

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    Authorship:Coinvestigator(s) 

    Grant amount:\18850000 ( Direct Cost: \14500000 、 Indirect Cost:\4350000 )

    By numerical simulations of lattice QCD with Wilson-type lattice quarks, we studied the phase structure of QCD at finite temperatures and densities as well as thermodynamic properties of the quark matter. Wilson-type lattice quarks are theoretically sound, but require large computational costs. Therefore, we have developed several computational techniques including the fixed-scale approach armed by the T-integration method and the histogram method, and tested their efficiency. Applying these techniques, we have computed the equation of state in two and 2+1 flavor QCD, for the first time with Wilson-type quarks. We have also investigated the inter-quark potential of static quarks and the phase structure of QCD at finite temperatures and densities in the heavy-quark region.

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  • 数値シミュレーションによる高温高密度格子量子色力学の研究

    Grant number:18740134

    2006.4 - 2007.3

    System name:科学研究費助成事業

    Research category:若手研究(B)

    Awarding organization:日本学術振興会

    江尻 信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\2400000 ( Direct Cost: \2400000 )

    コンピューターシミュレーションによって高温高密度格子量子色力学の研究を行った。

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  • Quantum Phase Transition of Quarks and Hadrons at FiniteBaryon Density

    Grant number:18540253

    2006 - 2008

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    HATSUDA Tetsuo, EJIRI Shinji

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    Authorship:Coinvestigator(s) 

    Grant amount:\3930000 ( Direct Cost: \3300000 、 Indirect Cost:\630000 )

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  • 数値シミュレーションによる高温高密度状態での量子色力学の研究

    Grant number:050408

    2005.11 - 2006.11

    System name:住友財団基礎科学研究助成

    Awarding organization:民間財団等

    江尻信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\800000 ( Direct Cost: \800000 )

    数値シミュレーションによって高温高密度状態での量子色力学を研究した。

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  • Dynamical Structure of the Quark-Gluon Plasma based on Lattice QCD with Bayesian Statistics

    Grant number:15540254

    2003 - 2005

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    HATSUDA Tetsuo, EJIRI Shinji

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    Authorship:Coinvestigator(s) 

    Grant amount:\3700000 ( Direct Cost: \3700000 )

    Inside the quark-gluon plasma, the quark-anti-quark potential becomes weak due to the thermal Debye screening. As a result, the bound states composed of heavy-quarks melt down above certain critical temperature. However, the precise relation between the melting temperature and the critical temperature of the confinement-deconfinement phase transition.
    We have carried out lattice QCD simulations to answer this problem and have found that heavy charmonium such as J/Psi can survive even up to 1.7 times the critical temperature. The large volume simulations as well as the use of the Bayesian statistics play essential role in this study.
    In the interior of the neutron stars and quark stars, there may exist quark matter composed of deconfined quarks. Since there is always an attractive channel in the quark-quark interaction at the Fermi surface, quark matter is in the color superconducting state.
    We have carried our Ginzburg-Landau analysis of the phase transition between the color superconducting state and the normal state and found that the phase transition is driven to first order due to the thermal fluctuation of the gluons.
    We have applied the maximum entropy method to analyses the excited baryon spectra calculated on the lattice. It was found that the method can extract the position of the positive and negative excited states of the nucleon correctly. Also, the method is powerful enough to separate the physical spectra and the unphysical spectra due to lattice discretization.

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  • コンピューター・シミュレーションによる有限温度QCDの研究

    Grant number:98J06768

    1998.4 - 2000

    System name:科学研究費助成事業

    Research category:特別研究員奨励費

    Awarding organization:日本学術振興会

    江尻 信司

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4100000 ( Direct Cost: \4100000 )

    コンピューター・シミュレーションにより有限温度QCDの研究を行った。

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Teaching Experience (researchmap)

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Teaching Experience

  • 日本事情自然系A

    2024
    Institution name:新潟大学

  • 理学基礎演習

    2022
    Institution name:新潟大学

  • 素粒子物理学

    2021
    Institution name:新潟大学

  • 台湾スプリングセミナー II

    2021
    Institution name:新潟大学

  • 物理学基礎CI

    2021
    Institution name:新潟大学

  • 台湾スプリングセミナー I

    2021
    Institution name:新潟大学

  • 理学スタディ・スキルズ

    2021
    Institution name:新潟大学

  • 現代物理学セミナーA

    2020
    Institution name:新潟大学

  • 計算物理学B

    2020
    Institution name:新潟大学

  • 現代物理学セミナーB

    2020
    Institution name:新潟大学

  • 計算物理学A

    2020
    -
    2022
    Institution name:新潟大学

  • 専門力アクティブ・ラーニング

    2018
    -
    2021
    Institution name:新潟大学

  • 台湾スプリングセミナー II

    2018
    Institution name:新潟大学

  • 台湾スプリングセミナー I

    2018
    Institution name:新潟大学

  • 計算物理学演習

    2017
    -
    2022
    Institution name:新潟大学

  • 理学スタディ・スキルズ

    2017
    -
    2021
    Institution name:新潟大学

  • 物理学基礎C2

    2017
    -
    2020
    Institution name:新潟大学

  • 物理学基礎C1

    2017
    -
    2020
    Institution name:新潟大学

  • 物理学演習D

    2017
    Institution name:新潟大学

  • 物理学演習C

    2017
    Institution name:新潟大学

  • 素粒子物理学I

    2017
    Institution name:新潟大学

  • 現代物理学

    2016
    Institution name:新潟大学

  • 物理学基礎ゼミ

    2016
    Institution name:新潟大学

  • 課題研究a

    2016
    Institution name:新潟大学

  • 課題研究b

    2016
    Institution name:新潟大学

  • 物理学への招待B

    2015
    -
    2016
    Institution name:新潟大学

  • 課題探索特講

    2015
    Institution name:新潟大学

  • 理論素粒子物理学I

    2014
    Institution name:新潟大学

  • ゲージ場理論特論Ⅰ

    2014
    Institution name:新潟大学

  • 物理学基礎CⅠ

    2014
    -
    2016
    Institution name:新潟大学

  • 数理物質科学特定研究ⅡA(物理学)

    2014
    -
    2015
    Institution name:新潟大学

  • 数理物質科学特定研究ⅡB(物理学)

    2014
    -
    2015
    Institution name:新潟大学

  • 数理物質科学演習Ⅱ(物理学)

    2014
    -
    2015
    Institution name:新潟大学

  • 数理物質科学演習Ⅰ(物理学)

    2014
    -
    2015
    Institution name:新潟大学

  • 数理物質科学特定研究Ⅰ(物理学)

    2014
    -
    2015
    Institution name:新潟大学

  • 解析力学

    2013
    Institution name:新潟大学

  • 物理学演習

    2011
    -
    2016
    Institution name:新潟大学

  • 素粒子物理学II

    2010
    -
    2016
    Institution name:新潟大学

  • 基礎物理学演習II

    2010
    -
    2016
    Institution name:新潟大学

  • 基礎物理学演習I

    2010
    -
    2011
    Institution name:新潟大学

▶ display all