Dyson-Schwinger Equations of Chiral Chemical Potential

被引：4

作者：

Tian Ya-Lan ^{[1
]}

Cui Zhu-Fang ^{[2
,7
]}

Wang Bin ^{[3
]}

Shi Yuan-Mei ^{[2
,4
]}

Yang You-Chang ^{[2
,5
]}

Zong Hong-Shi ^{[2
,6
,7
]}

机构：

[1] Dingxi Teachers Coll, Dept Phys, Dingxi 743000, Gansu, Peoples R China

[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China

[3] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China

[4] Nanjing Xiaozhuang Univ, Dept Phys & Elect Engn, Nanjing 211171, Jiangsu, Peoples R China

[5] Zunyi Normal Coll, Sch Phys & Mech Elect Engn, Zunyi 563002, Guizhou, Peoples R China

[6] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China

[7] Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2015年 / 32卷 / 08期

基金：

中国国家自然科学基金;

关键词：

PERTURBATION-THEORY; HADRON PROPERTIES; PHASE-TRANSITION; WIGNER SOLUTION; QCD; VECTOR; MODEL; TEMPERATURE;

D O I：

10.1088/0256-307X/32/8/081101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We discuss the chiral phase transition of quantum chromodynamics (QCD) with a chiral chemical potential mu(5) as an additional scale. Within the framework of Dyson-Schwinger equations, we focus particularly on the behavior of the widely accepted as well as interesting critical end point (CEP), using a separable gluon propagator and a Gaussian gluon propagator. We find that there may be no CEP5 in the T-mu(5) plane, and the phase transition in the T-mu(5) plane might be totally crossover. Our results have apparent consistency with the Lattice QCD calculation. On the other hand, our study may also provide some useful hints to some other studies related to mu(5).

引用

页数：4

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