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Related papers: Analytic Study on Chiral Phase Transition in Holog…

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We investigate the effect of charm quark on the chiral phase transition of light quarks at finite temperature based on the four-flavor soft-wall holographic QCD model. In the massless limit, we find that the thermal chiral phase transition…

High Energy Physics - Phenomenology · Physics 2024-12-03 Hiwa A. Ahmed , Mamiya Kawaguchi , Mei Huang

The phase transition from hadronic matter to chirally-symmetric quark-gluon plasma is expected to be a rapid crossover at zero quark chemical potential ($\mu$), becoming first order at some finite value of $\mu$, indicating the presence of…

High Energy Physics - Phenomenology · Physics 2018-04-25 Sean P. Bartz , Theodore Jacobson

The chiral phase transition at finite temperature T and/or chemical potential $\mu$ is studied using the QCD-like theory with a variational approach. The ``QCD-like theory'' means the improved ladder approximation with an infrared cutoff in…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. Kiriyama , M. Maruyama , F. Takagi

We discuss the influence of a helicity imbalance on the phase diagram of dense QCD at finite temperature. We argue that the helical chemical potential is a thermodynamically relevant quantity in theories with the mass gap generation. Using…

High Energy Physics - Theory · Physics 2021-05-19 M. N. Chernodub , Victor E. Ambrus

We present a fully back-reacted Einstein--Maxwell--Dilaton--flavor model with dynamical light and strange sectors, calibrated to lattice QCD using a machine-learning--assisted spectral method. The model reproduces the 2+1-flavor equation of…

High Energy Physics - Phenomenology · Physics 2025-12-24 Jin-Yang Shen , Xin-Yi Liu , Jin-Rui Wu , Yue-Liang Wu , Zhen Fang

The large N_c N=4 gauge theory with quenched N=2 quark matter in the presence of a magnetic field displays chiral symmetry breaking. We study the temperature and chemical potential dependence of this theory using its gravity dual (based on…

High Energy Physics - Theory · Physics 2010-06-14 Nick Evans , Astrid Gebauer , Keun-Young Kim , Maria Magou

To quantitatively provide reliable predictions for the hot and dense QCD matter, a holographic model should be adjusted to describe first-principles lattice results available at vanishing baryon chemical potential. The equation of state…

High Energy Physics - Phenomenology · Physics 2025-06-26 Qingxuan Fu , Song He , Li Li , Zhibin Li

Chiral phase transition for three-flavor $N_f=2+1$ QCD with $m_u=m_d\neq m_s$ is investigated in a modified soft-wall holographic QCD model. Solving temperature dependent chiral condensates from equations of motion of the modified soft-wall…

High Energy Physics - Phenomenology · Physics 2017-03-08 Danning Li , Mei Huang

The electroweak (EW) phase transition in the early Universe might be supercooled due to the presence of the classical scale invariance involving Beyond the Standard Model (BSM) sectors and the supercooling could persist down till a later…

High Energy Physics - Phenomenology · Physics 2024-09-24 Yuepeng Guan , Shinya Matsuzaki

We develop a description of the equation of state of QCD matter with restored chiral symmetry, which is in thermal and chemical equilibrium with the hadronic phase. The hadron gas is described with thermodynamically consistent volume…

Nuclear Theory · Physics 2024-12-10 N. G. Antoniou , F. K. Diakonos , A. S. Kapoyannis

The mass sensitivity of the chiral phase transition of QCD with and without axial $U_A(1)$-symmetry breaking at vanishing and finite quark chemical potential is investigated. To focus on the low-energy sector of QCD, a quark-meson model…

High Energy Physics - Phenomenology · Physics 2019-04-17 Simon Resch , Fabian Rennecke , Bernd-Jochen Schaefer

The thermal restoration of chiral symmetry in QCD is known to proceed by an analytic crossover, which is widely expected to turn into a phase transition with a critical endpoint as the baryon density is increased. In the absence of a…

High Energy Physics - Lattice · Physics 2021-11-08 Owe Philipsen

Compact lattice Quantum Electrodynamics (QED) with four species of fermions is simulated with massless quarks by using the $\chi$QED scheme of adding a four-fermi interaction to the action. Simulations directly in the chiral limit of…

High Energy Physics - Lattice · Physics 2008-11-26 John B. Kogut , Costas G. Strouthos

By using gravity/gauge correspondence, we employ an Einstein-Maxwell-Dilaton model to compute the equilibrium and out-of-equilibrium properties of a hot and baryon rich strongly coupled quark-gluon plasma. The family of 5-dimensional…

Within the framework of Dyson-Schwinger equations (DSEs), we discuss the chiral phase transition of QCD with a chiral chemical potential $\mu_5$ as an additional scale. We focus especially on the issues related to the widely accepted as…

High Energy Physics - Phenomenology · Physics 2015-05-05 Shu-Sheng Xu , Zhu-Fang Cui , Bin Wang , Yuan-Mei Shi , You-Chang Yang , Hong-Shi Zong

At sufficiently high temperature and density, quantum chromodynamics (QCD) is expected to undergo a phase transition from the confined phase to the quark-gluon plasma phase. In the Lagrangian lattice formulation the Monte Carlo method works…

High Energy Physics - Lattice · Physics 2009-10-31 E. B. Gregory , S. Guo , H. Kroger , Xiang-Qian Luo

In this paper, we employ the gauge/gravity duality to study jet quenching (JQ) phenomena in the quark-gluon plasma. For this purpose, we implement holographic QCD models constructed from an Einstein-Maxwell-dilaton gravity at finite…

High Energy Physics - Theory · Physics 2026-01-01 Irina Ya. Aref'eva , Ali Hajilou , Alexander Nikolaev , Pavel Slepov

We study the phase transition and critical phenomenon of charged black holes in Einstein-Maxwell-scalar (EMs) theory. Through comprehensive analysis of thermodynamic behaviors manifested in P-V diagrams, G(T,P) surfaces, and C_P curves, we…

General Relativity and Quantum Cosmology · Physics 2025-05-29 Zeming Zhuang , Kun Meng , Hongsheng Zhang

Within the framework of Dyson--Schwinger equations of QCD, we study the effect of finite volume on the chiral phase transition in a sphere with the MIT boundary condition. We find that the chiral quark condensate $\langle\bar{\psi}…

Nuclear Theory · Physics 2021-01-04 Yin-Zhen Xu , Chao Shi , Xiao-Tao He , Hong-Shi Zong

We compute the QCD phase diagram in the plane of the chiral chemical potential and temperature using the linear sigma model coupled to quarks and to the Polyakov loop. The chiral chemical potential accounts for effects of imbalanced…

High Energy Physics - Phenomenology · Physics 2015-03-18 M. N. Chernodub , A. S. Nedelin