Chiral symmetry restoration and quark deconfinement beyond mean field in a magnetized PNJL model

被引：11
|
作者：
Mao, Shijun [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Shaanxi, Peoples R China
来源：
PHYSICAL REVIEW D | 2018年 / 97卷 / 01期
基金：
中国国家自然科学基金;
关键词：
JONA-LASINIO MODEL; QUANTUM CHROMODYNAMICS; CATALYSIS;
D O I：
10.1103/PhysRevD.97.011501
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study chiral symmetry restoration and quark deconfinement beyond the mean field approximation in a magnetized PNJL model. The feedback from mesons to quarks modifies the quark coupling constant and Polyakov potential. As a result, the separate critical temperatures for the two phase transitions at the mean field level coincide, and the magnetic catalysis becomes an inverse magnetic catalysis when the meson contribution is included.
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页数：6
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