+
PDF
Chat
|
Polyakov-loop phase, Roberge-Weiss periodicity and thermodynamics
|
2024
|
Kouji Kashiwa
Hiroaki Kouno
|
+
PDF
Chat
|
Hadron-quark transition and chiral symmetry restoration at high density
|
2024
|
Hiroaki Kouno
Kouji Kashiwa
|
+
PDF
Chat
|
Application of the path optimization method to a discrete spin system
|
2023
|
Kouji Kashiwa
Yusuke Namekawa
Akira Ohnishi
Hayato Takase
|
+
PDF
Chat
|
Instability of holographic cold compact stars with a color superconducting core
|
2023
|
Kazuo Ghoroku
Kouji Kashiwa
Y. Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
PDF
Chat
|
Improving efficiency of the path optimization method for a gauge theory
|
2023
|
Yusuke Namekawa
Kouji Kashiwa
Hidefumi Matsuda
Akira Ohnishi
Hayato Takase
|
+
|
Instability of holographic cold compact stars with a color superconducting core
|
2023
|
Kazuo Ghoroku
Kouji Kashiwa
Yoshimasa Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
|
Application of the path optimization method to a discrete spin system
|
2023
|
Kouji Kashiwa
Yusuke Namekawa
Akira Ohnishi
Hayato Takase
|
+
|
Hadron-quark transition and chiral symmetry restoration at high density
|
2023
|
Hiroaki Kouno
Kouji Kashiwa
|
+
|
Roberge-Weiss periodicity and singularity in hadron resonance gas model with excluded volume effects
|
2023
|
Riki Oshima
Hiroaki Kouno
Kouji Kashiwa
|
+
PDF
Chat
|
Persistent Homology Analysis for Dense QCD Effective Model with Heavy Quarks
|
2022
|
Kouji Kashiwa
Takehiro Hirakida
Hiroaki Kouno
|
+
PDF
Chat
|
Multiplicity, probabilities, and canonical sectors for cold QCD matter
|
2022
|
Kouji Kashiwa
Hiroaki Kouno
|
+
PDF
Chat
|
Gauge invariant input to neural network for path optimization method
|
2022
|
Yusuke Namekawa
Kouji Kashiwa
Akira Ohnishi
Hayato Takase
|
+
|
Improving efficiency of the path optimization method for a gauge theory
|
2022
|
Yusuke Namekawa
Kouji Kashiwa
Hidefumi Matsuda
Akira Ohnishi
Hayato Takase
|
+
PDF
Chat
|
Stiff equation of state for a holographic nuclear matter as instanton gas
|
2021
|
Kazuo Ghoroku
Kouji Kashiwa
Y. Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
|
Stiff equation of state for a holographic nuclear matter as instanton gas
|
2021
|
Kazuo Ghoroku
Kouji Kashiwa
Y. Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
PDF
Chat
|
Nonanalyticity, sign problem, and Polyakov line in a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>Z</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> -symmetric heavy quark model at low temperature: Phenomenological model analyses
|
2021
|
Hiroaki Kouno
Kouji Kashiwa
Takehiro Hirakida
|
+
PDF
Chat
|
Anatomy of the dense QCD matter from canonical sectors
|
2021
|
Kouji Kashiwa
Hiroaki Kouno
|
+
PDF
Chat
|
Information theoretical view of QCD effective model with heavy quarks
|
2021
|
Kouji Kashiwa
Hiroaki Kouno
|
+
PDF
Chat
|
Path optimization for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>1</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> gauge theory with complexified parameters
|
2020
|
Kouji Kashiwa
Yuto Mori
|
+
PDF
Chat
|
Extension to imaginary chemical potential in a holographic model
|
2020
|
Kazuo Ghoroku
Kouji Kashiwa
Y. Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
PDF
Chat
|
Persistent homology analysis of deconfinement transition in effective Polyakov-line model
|
2020
|
Takehiro Hirakida
Kouji Kashiwa
Junpei Sugano
Junichi Takahashi
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Evading the model sign problem in the PNJL model with repulsive vector-type interaction via path optimization
|
2020
|
Akira Ohnishi
Yuto Mori
Kouji Kashiwa
|
+
PDF
Chat
|
The path optimization for the sign problem of low dimensional QCD
|
2020
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Roberge-Weiss periodicity, canonical sector, and modified Polyakov loop
|
2019
|
Kouji Kashiwa
Hiroaki Kouno
|
+
PDF
Chat
|
Path optimization in $0+1$D QCD at finite density
|
2019
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Phase transition encoded in neural network
|
2019
|
Kouji Kashiwa
Yuta Kikuchi
Akio Tomiya
|
+
PDF
Chat
|
Application of the path optimization method to the sign problem in an effective model of QCD with a repulsive vector-type interaction
|
2019
|
Kouji Kashiwa
Yuto Mori
Akira Ohnishi
|
+
PDF
Chat
|
Path optimization method with use of neural network for the sign problem in field theories
|
2019
|
Akira Ohnishi
Yuto Mori
Kouji Kashiwa
|
+
PDF
Chat
|
Color superconductivity in a holographic model
|
2019
|
Kazuo Ghoroku
Kouji Kashiwa
Y. Nakano
Motoi Tachibana
Fumihiko Toyoda
|
+
PDF
Chat
|
Controlling the model sign problem via the path optimization method: Monte Carlo approach to a QCD effective model with Polyakov loop
|
2019
|
Kouji Kashiwa
Yuto Mori
Akira Ohnishi
|
+
|
Evading the model sign problem in the PNJL model with repulsive vector-type interaction via path optimization
|
2019
|
Akira Ohnishi
Yuto Mori
Kouji Kashiwa
|
+
|
The path optimization for the sign problem of low dimensional QCD
|
2019
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
|
Anomalous Hall effect in dense QCD matter
|
2018
|
Toshitaka Tatsumi
Ryo Yoshiike
Kouji Kashiwa
|
+
|
Lefschetz thimbles in fermionic effective models with repulsive vector-field
|
2018
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Dirac-mode analysis for quark number density and its application for deconfinement transition
|
2018
|
Takahiro Doi
Kouji Kashiwa
|
+
PDF
Chat
|
Path optimization method for the sign problem
|
2018
|
Akira Ohnishi
Yuto Mori
Kouji Kashiwa
|
+
|
Persistent homology analysis of deconfinement transition in effective Polyakov-line model
|
2018
|
Takehiro Hirakida
Kouji Kashiwa
Junpei Sugano
Junichi Takahashi
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Application of a neural network to the sign problem via the path optimization method
|
2017
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Toward solving the sign problem with path optimization method
|
2017
|
Yuto Mori
Kouji Kashiwa
Akira Ohnishi
|
+
|
Topological deconfinement transition in QCD at finite isospin density
|
2017
|
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Three-baryon interaction generated by determinant interaction of quarks
|
2017
|
Akira Ohnishi
Kouji Kashiwa
Kenji Morita
|
+
|
Dirac-mode expansion of quark number density and its implications of the confinement-deconfinement transition
|
2017
|
Takahiro Doi
Kouji Kashiwa
|
+
|
Investigation of confinement-deconfinement transition via probability distributions
|
2017
|
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Quark number holonomy and confinement-deconfinement transition
|
2016
|
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Test for a universal behavior of Dirac eigenvalues in the complex Langevin method
|
2016
|
Terukazu Ichihara
Keitaro Nagata
Kouji Kashiwa
|
+
PDF
Chat
|
Understanding QCD at high density from a<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Z</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>-symmetric QCD-like theory
|
2016
|
Hiroaki Kouno
Kouji Kashiwa
Junichi Takahashi
Tatsuhiro Misumi
Masanobu Yahiro
|
+
PDF
Chat
|
Phase structure of two-color QCD at real and imaginary chemical potentials: Lattice simulations and model analyses
|
2016
|
Takahiro Makiyama
Yuji Sakai
Takuya Saito
Masahiro Ishii
Junichi Takahashi
Kouji Kashiwa
Hiroaki Kouno
Atsushi Nakamura
Masanobu Yahiro
|
+
|
Implications of imaginary chemical potential for model building of QCD
|
2016
|
Kouji Kashiwa
|
+
|
Three Baryon Interaction Generated by Determinant Interaction of Quarks
|
2016
|
Akira Ohnishi
Kouji Kashiwa
Kenji Morita
|
+
|
Topological feature and phase structure of QCD at complex chemical potential
|
2015
|
Kouji Kashiwa
Akira Ohnishi
|
+
PDF
Chat
|
Evading the sign problem in the mean-field approximation through Lefschetz-thimble path integral
|
2015
|
Yuya Tanizaki
HiromichĂ Nishimura
Kouji Kashiwa
|
+
PDF
Chat
|
Temperature dependence of meson screening masses; a comparison of effective model with lattice QCD
|
2015
|
Masahiro Ishii
Takahiro Sasaki
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Lee-Yang zero distribution of high temperature QCD and the Roberge-Weiss phase transition
|
2015
|
Keitaro Nagata
Kouji Kashiwa
Atsushi Nakamura
Shinsuke M. Nishigaki
|
+
|
Inhomogeneous chiral condensates and non-analyticity under an external magnetic field
|
2015
|
Kouji Kashiwa
Tong-Gyu Lee
Ryo Yoshiike
Kazuya Nishiyama
|
+
|
Temperature dependence of meson screening masses; a comparison of effective model with lattice QCD
|
2015
|
Masahiro Ishii
Takahiro Sasaki
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Phase structure of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>S</mml:mi><mml:mi>U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math>gauge-Higgs unification models at finite temperature
|
2014
|
Kouji Kashiwa
Yuya Tanizaki
|
+
PDF
Chat
|
Phase structure and Hosotani mechanism in QCD-like theory with compact dimensions
|
2014
|
Kouji Kashiwa
Hiroaki Kouno
Takahiro Makiyama
Tatsuhiro Misumi
Takahiro Sasaki
Masanobu Yahiro
|
+
PDF
Chat
|
Effective model approach to meson screening masses at finite temperature
|
2014
|
Masahiro Ishii
Takahiro Sasaki
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Quark contribution for center domain in heavy ion collisions
|
2014
|
Kouji Kashiwa
Akihiko Monnai
|
+
|
Phase structure of pure SU(3) lattice gauge theory in 5 dimensions
|
2014
|
Etsuko Itou
Kouji Kashiwa
Norihiro Nakamoto
|
+
PDF
Chat
|
Differences and similarities between fundamental and adjoint matters in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>S</mml:mi><mml:mi>U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>N</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math>gauge theories
|
2013
|
Hiroaki Kouno
Tatsuhiro Misumi
Kouji Kashiwa
Takahiro Makiyama
Takahiro Sasaki
Masanobu Yahiro
|
+
PDF
Chat
|
Polyakov loop and QCD thermodynamics from the gluon and ghost propagators
|
2013
|
Kenji Fukushima
Kouji Kashiwa
|
+
PDF
Chat
|
Roberge-Weiss transition and ât Hooft loops
|
2013
|
Kouji Kashiwa
Robert D. Pisarski
|
+
PDF
Chat
|
Phase structure and Hosotani mechanism in gauge theories with compact dimensions revisited
|
2013
|
Kouji Kashiwa
Tatsuhiro Misumi
|
+
PDF
Chat
|
Two-color QCD at imaginary chemical potential and its impact on real chemical potential
|
2013
|
Kouji Kashiwa
Takahiro Sasaki
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Impact of Vector-Current Interactions on the QCD Phase Diagram
|
2013
|
Thomas Hell
Kouji Kashiwa
W. Weise
|
+
|
Phase structure and Hosotani mechanism in QCD-like theory with compact dimensions
|
2013
|
Kouji Kashiwa
Hiroaki Kouno
Takahiro Makiyama
Tatsuhiro Misumi
Takahiro Sasaki
Masanobu Yahiro
|
+
|
Quasi-particle and matrix models of the semi Quark Gluon Plasma
|
2013
|
Kouji Kashiwa
Robert D. Pisarski
Vladimir V. Skokov
|
+
PDF
Chat
|
Critical endpoint for deconfinement in matrix and other effective models
|
2012
|
Kouji Kashiwa
Robert D. Pisarski
Vladimir V. Skokov
|
+
|
Quark back reaction to deconfinement transition via gluon propagators
|
2012
|
Kouji Kashiwa
Yu Maezawa
|
+
PDF
Chat
|
Nonlocal PolyakovâNambuâJona-Lasinio model and imaginary chemical potential
|
2011
|
Kouji Kashiwa
Thomas Hell
W. Weise
|
+
|
Nonlocal PNJL model and imaginary chemical potential
|
2011
|
Kouji Kashiwa
Thomas Hell
W. Weise
|
+
PDF
Chat
|
Entanglement between chiral and deconfinement transitions under strong uniform magnetic background field
|
2011
|
Kouji Kashiwa
|
+
PDF
Chat
|
Extensions and further applications of the nonlocal PolyakovâNambuâJona-Lasinio model
|
2011
|
Thomas Hell
Kouji Kashiwa
W. Weise
|
+
PDF
Chat
|
Violations of parity and charge conjugation in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Ξ</mml:mi></mml:math>vacuum with imaginary chemical potential
|
2011
|
Hiroaki Kouno
Yuji Sakai
Takahiro Sasaki
Kouji Kashiwa
Masanobu Yahiro
|
+
PDF
Chat
|
Investigation of meson masses for real and imaginary chemical potential using the three-flavor PNJL model
|
2010
|
Takeshi Matsumoto
Kouji Kashiwa
Hiroaki Kouno
Kagayaki Oda
Masanobu Yahiro
|
+
|
C and P violations in the PNJL model
|
2010
|
Hiroaki Kouno
Yuji Sakai
Takahiro Sasaki
Kouji Kashiwa
Masanobu Yahiro
|
+
|
C and P violations in the PNJL model
|
2010
|
Hiroaki Kouno
Takahiro Sasaki
Masanobu Yahiro
Kouji Kashiwa
Yuji Sakai
|
+
PDF
Chat
|
Dual quark condensate in the Polyakov-loop extended NambuâJona-Lasinio model
|
2009
|
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
The RobergeâWeiss phase transition and its endpoint
|
2009
|
Hiroaki Kouno
Yuji Sakai
Kouji Kashiwa
Masanobu Yahiro
|
+
PDF
Chat
|
Correlations among discontinuities in the QCD phase diagram
|
2009
|
Kouji Kashiwa
Masanobu Yahiro
Hiroaki Kouno
Masayuki Matsuzaki
Yuji Sakai
|
+
|
Dual quark condensate in the Polyakov-loop extended NJL model
|
2009
|
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Determination of QCD phase diagram from the imaginary chemical potential region
|
2009
|
Yuji Sakai
Kouji Kashiwa
Hiroaki Kouno
Masayuki Matsuzaki
Masanobu Yahiro
|
+
PDF
Chat
|
Meson mass at real and imaginary chemical potentials
|
2009
|
Kouji Kashiwa
Masayuki Matsuzaki
Hiroaki Kouno
Yuji Sakai
Masanobu Yahiro
|
+
PDF
Chat
|
Lepton effects on the protoneutron stars with the hadron-quark mixed phase in the NambuâJona-Lasinio model
|
2009
|
Nobutoshi Yasutake
Kouji Kashiwa
|
+
PDF
Chat
|
Vector-type four-quark interaction and its impact on QCD phase structure
|
2008
|
Yuji Sakai
Kouji Kashiwa
Hiroaki Kouno
Masayuki Matsuzaki
Masanobu Yahiro
|
+
PDF
Chat
|
Phase diagram in the imaginary chemical potential region and extended<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi mathvariant="double-struck">Z</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>symmetry
|
2008
|
Yuji Sakai
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Polyakov loop extended NambuâJona-Lasinio model with imaginary chemical potential
|
2008
|
Yuji Sakai
Kouji Kashiwa
Hiroaki Kouno
Masanobu Yahiro
|
+
PDF
Chat
|
Critical endpoint in the Polyakov-loop extended NJL model
|
2008
|
Kouji Kashiwa
Hiroaki Kouno
Masayuki Matsuzaki
Masanobu Yahiro
|
+
PDF
Chat
|
Meson loop effect on high density chiral phase transition
|
2008
|
Tomohiko Sakaguchi
Kouji Kashiwa
Masayuki Matsuzaki
Hiroaki Kouno
Masanobu Yahiro
|
+
|
Roberge-Weiss phase transitions and extended Z3 symmetry
|
2008
|
Hiroaki Kouno
Yuji Sakai
Kouji Kashiwa
Masayuki Matsuzaki
Masanobu Yahiro
|
+
PDF
Chat
|
Effects of a multi-quark interaction on color superconducting phase transition in an extended NJL model
|
2007
|
Kouji Kashiwa
Masayuki Matsuzaki
Hiroaki Kouno
Masanobu Yahiro
|
+
|
Chiral phase transition in an extended NJL model with higher-order multi-quark interactions
|
2007
|
Kouji Kashiwa
Hiroaki Kouno
Tomohiko Sakaguchi
Masayuki Matsuzaki
Masanobu Yahiro
|
+
|
Chiral phase transition and color superconductivity in an extended NJL model with higher-order multi-quark interactions
|
2006
|
Kouji Kashiwa
Hiroaki Kouno
Tomohiko Sakaguchi
Masayuki Matsuzaki
Masanobu Yahiro
|
+
|
Meson loop effect on high density chiral phase transition
|
2006
|
Tomohiko Sakaguchi
Kouji Kashiwa
Masayuki Matsuzaki
Hiroaki Kouno
Masanobu Yahiro
|
+
|
Auxiliary Field Meson Model at Finite Temperature and Density
|
2005
|
Hiroaki Kouno
Tomohiko Sakaguchi
Kouji Kashiwa
Masao Hamada
H. Tokudome
Masayuki Matsuzaki
Masanobu Yahiro
|