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Critical temperature of chiral symmetry restoration for quark matter with a chiral chemical potential
Ruggieri, M; Peng GX(彭光雄); Peng, GX
2016
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷号43期号:12
通讯作者彭光雄
摘要In this article we study the restoration of chiral symmetry at a finite temperature for quark matter with a chiral chemical potential, mu(5), by means of a nonlocal Nambu-Jona-Lasinio model. This model allows the introduction of, in the simplest way possible, a Euclidean momentum, p(E), dependent quark mass function which decays (neglecting logarithms) as 1 / p(E)(2) for large p(E), in agreement with the asymptotic behaviour expected in quantum chromodynamics in the presence of a nonperturbative quark condensate. We focus on the critical temperature for chiral symmetry restoration in the chiral limit, T-C, versus mu(5), as well as on the order of the phase transition. We find that T-C increases with mu(5), and that the transition remains of the second order for the whole range of mu(5) considered.
文章类型Article
关键词chiral chemical potential nonlocal Nambu-Jona-Lasinio model chiral phase transition
DOI10.1088/0954-3899/43/12/125101
关键词[WOS]NJL-MODEL ; DYNAMICAL MODEL ; EFFECTIVE QCD ; MASSES ; SUPERCONDUCTIVITY ; CONDENSATE ; ANALOGY
语种英语
WOS记录号WOS:000387148400001
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260624
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Ruggieri, M,Peng GX,Peng, GX. Critical temperature of chiral symmetry restoration for quark matter with a chiral chemical potential[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2016,43(12).
APA Ruggieri, M,彭光雄,&Peng, GX.(2016).Critical temperature of chiral symmetry restoration for quark matter with a chiral chemical potential.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,43(12).
MLA Ruggieri, M,et al."Critical temperature of chiral symmetry restoration for quark matter with a chiral chemical potential".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 43.12(2016).
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