Author

Kashiwa, Kouji

INSPIRE profile1041325 ORCID0000-0002-5255-799X

34 papers·1,081 citations in this corpus

	Paper	Category
Mar 3, 2026#192603.02085	Effective degrees of freedom, trace anomaly and c-theorem like condition in the hadron resonance gas model Hiroaki Kouno🇯🇵 · Riki Oshima🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-ph	—	0
Jan 26, 2026#92601.16762	Thermodynamic geometry in hadron resonance gas model at real and imaginary baryon chemical potential and a simple sufficient condition for quark deconfinement Riki Oshima🇯🇵 · Hiroaki Kouno🇯🇵 · Motoi Tachibana🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-ph	PRD	1
Oct 16, 2024#82410.11598	Hadron-quark hybrid model, modular transformation and Roberge-Weiss transition Hiroaki Kouno🇯🇵 · Riki Oshima🇯🇵 · Motoi Tachibana🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-ph	PRD	2
Nov 27, 2023#172311.14306	Roberge-Weiss periodicity and singularity in hadron resonance gas model with excluded volume effects Riki Oshima🇯🇵 · Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-ph	PRD	4
Oct 17, 2023#122310.09738	Hadron-quark transition and chiral symmetry restoration at high density Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-ph	PRD	8
Apr 13, 2021#92104.04732	Nonanalyticity, sign problem and Polyakov line in Z3-symmetric heavy quark model at low temperature: Phenomenological model analyses Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵 · Takehiro Hirakida🇯🇵	↳ hep-ph	PRD	1
Nov 28, 2019#131911.12288	Evading the model sign problem in the PNJL model with repulsive vector-type interaction via path optimization Akira Ohnishi🇯🇵 · Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-lat	PoS	1
Dec 5, 2017#161712.01088	Path optimization method for the sign problem Akira Ohnishi🇯🇵 · Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵	↳ hep-lat	EPJ Web Conf.	10
May 11, 2017#31705.03646	Lefschetz thimbles in fermionic effective models with repulsive vector-field Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵 · Akira Ohnishi🇯🇵	↳ hep-lat	PLB	27
Oct 21, 2016#31610.06306	Three Baryon Interaction Generated by Determinant Interaction of Quarks Akira Ohnishi🇯🇵 · Kouji Kashiwa🇯🇵 · Kenji Morita🇯🇵	nucl-th	PTEP	3
Apr 30, 2015#61504.07706	Temperature dependence of meson screening masses; a comparison of effective model with lattice QCD Masahiro Ishii🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PoS	0
Apr 29, 2015#101504.07585	Understanding of QCD at high density from Z3-symmetric QCD-like theory Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵 · Junichi Takahashi🇯🇵 · Tatsuhiro Misumi🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	33
Apr 14, 2015#81504.02979	Evading the sign problem in the mean-field approximation through Lefschetz-thimble path integral Yuya Tanizaki🇯🇵 · Hiromichi Nishimura🇩🇪 · Kouji Kashiwa🇯🇵	↳ hep-th	PRD	62
Feb 24, 2015#71502.06191	Phase structure of two-color QCD at real and imaginary chemical potentials; lattice simulations and model analyses Takahiro Makiyama🇯🇵 · Yuji Sakai🇯🇵 · Takuya Saito🇯🇵 · Masahiro Ishii🇯🇵 · Junichi Takahashi🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Atsushi Nakamura🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-lat	PRD	24
Dec 31, 2013#8*1312.7424	Effective model approach to meson screening masses at finite temperature Masahiro Ishii🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇺🇸 · Hiroaki Kouno🇺🇸 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	19
Sep 27, 2013#10*1309.6742	Quark contribution for center domain in heavy ion collisions Kouji Kashiwa🇺🇸 · Akihiko Monnai🇺🇸	↳ hep-ph	PRD	2
Apr 12, 2013#8*1304.3274	Differences and similarities between fundamental and adjoint matters in SU(N) gauge theories Hiroaki Kouno🇯🇵 · Tatsuhiro Misumi🇺🇸 · Kouji Kashiwa🇺🇸 · Takahiro Makiyama🇯🇵 · Takahiro Sasaki🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	37
May 4, 2012#4*1205.0545	Critical endpoint for deconfinement in matrix and other effective models Kouji Kashiwa🇺🇸 · Robert D. Pisarski🇺🇸 · Vladimir V. Skokov🇺🇸	↳ hep-ph	PRD	58
Feb 1, 2011#11*1101.5746	Violations of parity and charge conjugation in the theta vacuum with imaginary chemical potential Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	19
Sep 13, 2010#7*1009.1924	C and P violations in the PNJL model Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	Soryushiron Kenkyu Electron.	0
Apr 6, 2010#11*1004.0592	Investigation of meson masses for real and imaginary chemical potential Takeshi Matsumoto🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Kagayaki Oda🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PLB	14
Aug 11, 2009#3*0908.1213	Dual quark condensate in the Polyakov-loop extended Nambu--Jona-Lasinio model Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	52
Apr 7, 2009#3*0904.0925	Roberge-Weiss phase transition and its endpoint Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	J.Phys.G	62
Feb 4, 2009#3*0902.0487	Determination of QCD phase diagram from the imaginary chemical potential region Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	78
Dec 30, 2008#8*0812.4747	Meson mass at real and imaginary chemical potentials Kouji Kashiwa🇯🇵 · Masayuki Matsuzaki🇯🇵 · Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	29
Dec 1, 2008#4*0811.4660	Roberge-Weiss phase transitions and extended Z3 symmetry H. Kouno🇯🇵 · Y. Sakai🇯🇵 · K. Kashiwa🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵	↳ hep-ph	—	0
Jul 1, 2008#11*0806.4799	Vector-type four-quark interaction and its impact on QCD phase structure Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	56
Mar 14, 2008#1*0803.1902	Phase diagram in the imaginary chemical potential region and extended Z3 symmetry Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	82
Jan 1, 2008#2*0801.0034	Polyakov loop extended NJL model with imaginary chemical potential Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵	↳ hep-ph	PRD	129
Oct 12, 2007#4*0710.2180	Critical endpoint in the Polyakov-loop extended NJL model Kouji Kashiwa (Kyushu Univ.)🇯🇵 · Hiroaki Kouno (Saga Univ.)🇯🇵 · Masayuki Matsuzaki (Fukuoka Univ. of Educ.)🇯🇵 · Masanobu Yahiro (Kyushu Univ.)🇯🇵	↳ hep-ph	PLB	152
May 10, 2007#9*0705.1196	Effects of a multi-quark interaction on color superconducting phase transition in an extended NJL model Kouji Kashiwa (Kyushu Univ.)🇯🇵 · Masayuki Matsuzaki (Fukuoka Univ. of Education)🇯🇵 · Hiroaki Kouno (Saga Univ.)🇯🇵 · Masanobu Yahiro (Kyushu Univ.)🇯🇵	↳ hep-ph	PLB	31
Dec 12, 2006#4*nucl-th/0612038	Chiral phase transition and color superconductivity in an extended NJL model with higher-order multi-quark interactions K. Kashiwa🇯🇵 · H. Kouno🇯🇵 · T. Sakaguchi🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵	nucl-th	—	0
Sep 1, 2006#2*nucl-th/0608078	Chiral phase transition in an extended NJL model with higher-order multi-quark interactions Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Tomohiko Sakaguchi🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵	nucl-th	PLB	81
Sep 23, 2005#1*nucl-th/0509057	Auxiliary Field Meson Model at Finite Temperature and Density H. Kouno🇯🇵 · T. Sakaguchi🇯🇵 · K. Kashiwa🇯🇵 · M. Hamada🇯🇵 · H. Tokudome🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵	nucl-th	—	4

Effective degrees of freedom, trace anomaly and c-theorem like condition in the hadron resonance gas model
Hiroaki Kouno🇯🇵 · Riki Oshima🇯🇵 · Kouji Kashiwa🇯🇵
Mar 3, 2026#19↳ hep-ph0 citations
Thermodynamic geometry in hadron resonance gas model at real and imaginary baryon chemical potential and a simple sufficient condition for quark deconfinement
Riki Oshima🇯🇵 · Hiroaki Kouno🇯🇵 · Motoi Tachibana🇯🇵 · Kouji Kashiwa🇯🇵
Jan 26, 2026#9↳ hep-phPRD1 citation
Hadron-quark hybrid model, modular transformation and Roberge-Weiss transition
Hiroaki Kouno🇯🇵 · Riki Oshima🇯🇵 · Motoi Tachibana🇯🇵 · Kouji Kashiwa🇯🇵
Oct 16, 2024#8↳ hep-phPRD2 citations
Roberge-Weiss periodicity and singularity in hadron resonance gas model with excluded volume effects
Riki Oshima🇯🇵 · Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵
Nov 27, 2023#17↳ hep-phPRD4 citations
Hadron-quark transition and chiral symmetry restoration at high density
Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵
Oct 17, 2023#12↳ hep-phPRD8 citations
Nonanalyticity, sign problem and Polyakov line in Z3-symmetric heavy quark model at low temperature: Phenomenological model analyses
Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵 · Takehiro Hirakida🇯🇵
Apr 13, 2021#9↳ hep-phPRD1 citation
Evading the model sign problem in the PNJL model with repulsive vector-type interaction via path optimization
Akira Ohnishi🇯🇵 · Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵
Nov 28, 2019#13↳ hep-latPoS1 citation
Path optimization method for the sign problem
Akira Ohnishi🇯🇵 · Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵
Dec 5, 2017#16↳ hep-latEPJ Web Conf.10 citations
Lefschetz thimbles in fermionic effective models with repulsive vector-field
Yuto Mori🇯🇵 · Kouji Kashiwa🇯🇵 · Akira Ohnishi🇯🇵
May 11, 2017#3↳ hep-latPLB27 citations
Three Baryon Interaction Generated by Determinant Interaction of Quarks
Akira Ohnishi🇯🇵 · Kouji Kashiwa🇯🇵 · Kenji Morita🇯🇵
Oct 21, 2016#3nucl-thPTEP3 citations
Temperature dependence of meson screening masses; a comparison of effective model with lattice QCD
Masahiro Ishii🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵
Apr 30, 2015#6↳ hep-phPoS0 citations
Understanding of QCD at high density from Z3-symmetric QCD-like theory
Hiroaki Kouno🇯🇵 · Kouji Kashiwa🇯🇵 · Junichi Takahashi🇯🇵 · Tatsuhiro Misumi🇯🇵 · Masanobu Yahiro🇯🇵
Apr 29, 2015#10↳ hep-phPRD33 citations
Evading the sign problem in the mean-field approximation through Lefschetz-thimble path integral
Yuya Tanizaki🇯🇵 · Hiromichi Nishimura🇩🇪 · Kouji Kashiwa🇯🇵
Apr 14, 2015#8↳ hep-thPRD62 citations
Phase structure of two-color QCD at real and imaginary chemical potentials; lattice simulations and model analyses
Takahiro Makiyama🇯🇵 · Yuji Sakai🇯🇵 · Takuya Saito🇯🇵 · Masahiro Ishii🇯🇵 · Junichi Takahashi🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Atsushi Nakamura🇯🇵 · Masanobu Yahiro🇯🇵
Feb 24, 2015#7↳ hep-latPRD24 citations
Effective model approach to meson screening masses at finite temperature
Masahiro Ishii🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇺🇸 · Hiroaki Kouno🇺🇸 · Masanobu Yahiro🇯🇵
Dec 31, 2013#8*↳ hep-phPRD19 citations
Quark contribution for center domain in heavy ion collisions
Kouji Kashiwa🇺🇸 · Akihiko Monnai🇺🇸
Sep 27, 2013#10*↳ hep-phPRD2 citations
Differences and similarities between fundamental and adjoint matters in SU(N) gauge theories
Hiroaki Kouno🇯🇵 · Tatsuhiro Misumi🇺🇸 · Kouji Kashiwa🇺🇸 · Takahiro Makiyama🇯🇵 · Takahiro Sasaki🇯🇵 · Masanobu Yahiro🇯🇵
Apr 12, 2013#8*↳ hep-phPRD37 citations
Critical endpoint for deconfinement in matrix and other effective models
Kouji Kashiwa🇺🇸 · Robert D. Pisarski🇺🇸 · Vladimir V. Skokov🇺🇸
May 4, 2012#4*↳ hep-phPRD58 citations
Violations of parity and charge conjugation in the theta vacuum with imaginary chemical potential
Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵
Feb 1, 2011#11*↳ hep-phPRD19 citations
C and P violations in the PNJL model
Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Takahiro Sasaki🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵
Sep 13, 2010#7*↳ hep-phSoryushiron Kenkyu Electron.0 citations
Investigation of meson masses for real and imaginary chemical potential
Takeshi Matsumoto🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Kagayaki Oda🇯🇵 · Masanobu Yahiro🇯🇵
Apr 6, 2010#11*↳ hep-phPLB14 citations
Dual quark condensate in the Polyakov-loop extended Nambu--Jona-Lasinio model
Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵
Aug 11, 2009#3*↳ hep-phPRD52 citations
Roberge-Weiss phase transition and its endpoint
Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Masanobu Yahiro🇯🇵
Apr 7, 2009#3*↳ hep-phJ.Phys.G62 citations
Determination of QCD phase diagram from the imaginary chemical potential region
Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵
Feb 4, 2009#3*↳ hep-phPRD78 citations
Meson mass at real and imaginary chemical potentials
Kouji Kashiwa🇯🇵 · Masayuki Matsuzaki🇯🇵 · Hiroaki Kouno🇯🇵 · Yuji Sakai🇯🇵 · Masanobu Yahiro🇯🇵
Dec 30, 2008#8*↳ hep-phPRD29 citations
Roberge-Weiss phase transitions and extended Z3 symmetry
H. Kouno🇯🇵 · Y. Sakai🇯🇵 · K. Kashiwa🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵
Dec 1, 2008#4*↳ hep-ph0 citations
Vector-type four-quark interaction and its impact on QCD phase structure
Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵
Jul 1, 2008#11*↳ hep-phPRD56 citations
Phase diagram in the imaginary chemical potential region and extended Z3 symmetry
Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵
Mar 14, 2008#1*↳ hep-phPRD82 citations
Polyakov loop extended NJL model with imaginary chemical potential
Yuji Sakai🇯🇵 · Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Masanobu Yahiro🇯🇵
Jan 1, 2008#2*↳ hep-phPRD129 citations
Critical endpoint in the Polyakov-loop extended NJL model
Kouji Kashiwa (Kyushu Univ.)🇯🇵 · Hiroaki Kouno (Saga Univ.)🇯🇵 · Masayuki Matsuzaki (Fukuoka Univ. of Educ.)🇯🇵 · Masanobu Yahiro (Kyushu Univ.)🇯🇵
Oct 12, 2007#4*↳ hep-phPLB152 citations
Effects of a multi-quark interaction on color superconducting phase transition in an extended NJL model
Kouji Kashiwa (Kyushu Univ.)🇯🇵 · Masayuki Matsuzaki (Fukuoka Univ. of Education)🇯🇵 · Hiroaki Kouno (Saga Univ.)🇯🇵 · Masanobu Yahiro (Kyushu Univ.)🇯🇵
May 10, 2007#9*↳ hep-phPLB31 citations
Chiral phase transition and color superconductivity in an extended NJL model with higher-order multi-quark interactions
K. Kashiwa🇯🇵 · H. Kouno🇯🇵 · T. Sakaguchi🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵
Dec 12, 2006#4*nucl-th0 citations
Chiral phase transition in an extended NJL model with higher-order multi-quark interactions
Kouji Kashiwa🇯🇵 · Hiroaki Kouno🇯🇵 · Tomohiko Sakaguchi🇯🇵 · Masayuki Matsuzaki🇯🇵 · Masanobu Yahiro🇯🇵
Sep 1, 2006#2*nucl-thPLB81 citations
Auxiliary Field Meson Model at Finite Temperature and Density
H. Kouno🇯🇵 · T. Sakaguchi🇯🇵 · K. Kashiwa🇯🇵 · M. Hamada🇯🇵 · H. Tokudome🇯🇵 · M. Matsuzaki🇯🇵 · M. Yahiro🇯🇵
Sep 23, 2005#1*nucl-th4 citations

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