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Related papers: Finite-volume effects on phase transition in the P…

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Within the framework of Polyakov-Nambu-Jona-Lasinio model and by means of Multiple Reflection Expansion, we study the finite volume effects on chiral phase transition, especially its influence on the location of the possible critical end…

High Energy Physics - Phenomenology · Physics 2018-12-27 Zhao Ya-Peng , Yin Pei-Lin , Yu Zhen-Hua , Zong Hong-Shi

Within the framework of Dyson-Schwinger equations of QCD, we study the finite volume effects on the chiral phase transition, especially the influence on the position of the possible pseudo-critical end point (pCEP). The results show that in…

High Energy Physics - Phenomenology · Physics 2018-12-03 Bo-Lin Li , Zhu-Fang Cui , Bo-Wen Zhou , Sun An , Li-Ping Zhang , Hong-Shi Zong

We study finite volume effects within the Polyakov loop Nambu-Jona-Lasinio model for two light and one heavy quarks at vanishing baryon chemical potential and finite temperatures. We include three different Polyakov loop potentials and…

High Energy Physics - Phenomenology · Physics 2018-08-24 A. G. Grunfeld , G. Lugones

We investigate the phase diagram of the so-called Polyakov--Nambu--Jona-Lasinio model at finite temperature and nonzero chemical potential with three quark flavors. Chiral and deconfinement phase transitions are discussed, and the relevant…

High Energy Physics - Phenomenology · Physics 2015-08-10 Pedro Costa , C. A. de Sousa , M. C. Ruivo , H. Hansen

In this paper, we use the two-flavor Nambu-Jona-Lasinio (NJL) model with the proper time regularization to study the finite-volume effects of QCD chiral phase transition. Within a cubic volume of finite size $L$, we choose the stationary…

High Energy Physics - Phenomenology · Physics 2018-02-05 Qing-Wu Wang , Yonghui Xia , Hong-Shi Zong

We investigate finite-size effects in the $T$-$\mu$ phase diagram of magnetized quark matter within the framework of a nonlocal extension of the Polyakov--Nambu--Jona-Lasinio (PNJL) model. Finite-size corrections are incorporated through…

High Energy Physics - Phenomenology · Physics 2026-05-25 G. Lugones , S. A. Ferraris , A. G. Grunfeld

We study the thermodynamics of the Polyakov-Nambu-Jona-Lasinio model considering the effects of an effective chiral chemical potential. We offer a new parametrization of the Polyakov-loop potential depending on temperature and the chiral…

High Energy Physics - Phenomenology · Physics 2024-10-11 Francisco X. Azeredo , Dyana C. Duarte , Ricardo L. S. Farias , Gastão Krein , Rudnei O. Ramos

The chiral phase transition in QCD at finite chemical potential and temperature can be characterized for small chemical potential by its curvature and the transition temperature. The curvature is accessible to QCD lattice simulations, which…

High Energy Physics - Phenomenology · Physics 2012-07-03 Jens Braun , Bertram Klein , Bernd-Jochen Schaefer

We discuss the finite-size effects on the chiral phase transition in QCD. We employ the Nambu-Jona-Lasinio model and calculate the thermodynamic potential in the mean-field approximation. Finite-size effects on the thermodynamic potential…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Kiriyama , T. Kodama , T. Koide

We extend the Polyakov-loop improved Nambu--Jona-Lasinio (PNJL) model to 2+1 flavor case to study the chiral and deconfinement transitions of strongly interacting matter at finite temperature and nonzero chemical potential. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei-jie Fu , Zhao Zhang , Yu-xin Liu

The critical endpoint (CEP) is a fundamental feature of the Quantum Chromodynamics (QCD) phase diagram, marking the boundary between quark-gluon plasma and hadronic matter. Heavy-ion collision experiments, such as the RHIC Beam Energy Scan,…

High Energy Physics - Phenomenology · Physics 2025-02-05 A. Sarkar , P. Deb , R. Bose

We study the influence of external electric, $E$, and magnetic, $B$, fields parallel to each other, and of a chiral chemical potential, $\mu_5$, on the chiral phase transition of Quantum Chromodynamics. Our theoretical framework is a…

High Energy Physics - Phenomenology · Physics 2016-12-14 M. Ruggieri , Z. Y. Lu , G. X. Peng

A class of Polyakov-loop-modified Nambu--Jona-Lasinio (PNJL) models have been used to support a conjecture that numerical simulations of lattice-regularized quantum chromodynamics (QCD) defined with a chiral chemical potential can provide…

We investigate the phase diagram of the so-called Polyakov--Nambu--Jona-Lasinio model at finite temperature and non-zero chemical potential with three quark flavors. Chiral and deconfinement phase transitions are discussed and the relevant…

High Energy Physics - Phenomenology · Physics 2014-11-21 Pedro Costa , M. C. Ruivo , C. A. de Sousa , H. Hansen

In this work, we study the chiral and deconfinement phase transitions in a two-flavor Polyakov loop extended Nambu--Jona-Lasinio (PNJL) model. And note that the self-consistent mean field approximation is employed by introducing an…

Nuclear Theory · Physics 2023-06-22 Xiaozhu Yu , Liangkai Wu , Lang Yu , Xinyang Wang

In this work we analyze the finite-volume and magnetic effects on the phase structure of a generalized version of Nambu--Jona-Lasinio model with three quark flavors. By making use of mean-field approximation and Schwinger's proper-time…

High Energy Physics - Phenomenology · Physics 2019-04-09 L. M. Abreu , E. B. S. Corrêa , C. A. Linhares , A. P. C. Malbouisson

Finite-volume effects in Quantum Chromodynamics (QCD) have been a subject of much theoretical interest for more than two decades. They are in particular important for the analysis and interpretation of QCD simulations on a finite, discrete…

High Energy Physics - Phenomenology · Physics 2017-10-17 Bertram Klein

Within the framework of Dyson-Schwinger equations and by means of Multiple Reflection Expansion, we study the finite volume effects on the chiral phase transition in a sphere, especially discuss its influence on the location of the possible…

High Energy Physics - Phenomenology · Physics 2019-09-04 Ya-Peng Zhao , Rui-Rui Zhang , Han Zhang , Hong-Shi Zong

We study two effective models for QCD, the Nambu-Jona-Lasinio -model and the linear sigma model extended by including a Polyakov loop potential, which is fitted to reproduce pure gauge theory thermodynamics, and a coupling between the…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Kahara , K. Tuominen

The critical endpoint (CEP) and the phase structure are studied in the Polyakov-loop extended Nambu--Jona-Lasinio model in which the scalar type eight-quark (\sigma^4) interaction and the vector type four-quark interaction are newly added.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kouji Kashiwa , Hiroaki Kouno , Masayuki Matsuzaki , Masanobu Yahiro
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