Influence of chiral chemical potential, parallel electric, and magnetic fields on the critical temperature of QCD
Influence of chiral chemical potential, parallel electric, and magnetic fields on the critical temperature of QCD
复制标题
手性化学势、平行电场和磁场对QCD临界温度的影响
DOI：
10.1103/physrevd.94.116003
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发表时间：
2016-08
影响因子：
5
通讯作者：
G. X. Peng
中科院分区：
文献类型：
--
作者：
M. Ruggieri;Z. Y. Lu;G. X. Peng
研究了外加平行电场和磁场以及手性化学势μ5对量子色动力学手征相变的影响。我们的理论框架是一个具有接触相互作用的Nambu-Jona-Lasinio模型。在这个模型中，我们计算了手性对称性恢复的临界温度T_c，它是手性化学势和场强的函数。我们发现，场抑制了手性对称性破缺，而μ5增强了手性对称性破缺，这与以前的研究一致。
We study the influence of external parallel electric and magnetic fields and a chiral chemical potential μ5 on the chiral phase transition of quantum chromodynamics. Our theoretical framework is a Nambu–Jona-Lasinio model with a contact interaction. Within this model we compute the critical temperature of chiral symmetry restoration Tc as a function of the chiral chemical potential and field strengths. We find that the fields inhibit and μ5 enhances chiral symmetry breaking, in agreement with previous studies.