Effect of the chiral chemical potential on the chiral phase transition in the NJL model with different regularization schemes
Yu L(余浪); Liu H(刘好); Huang M(黄梅); Yu, L; Liu, H; Huang, M
刊名PHYSICAL REVIEW D
2016
卷号94期号:1
DOI10.1103/PhysRevD.94.014026
通讯作者余浪 ; 刘好 ; 黄梅
文章类型Article
英文摘要We study the chiral phase transition in the presence of the chiral chemical potential mu(5) using the two-flavor Nambu-Jona-Lasinio model. In particular, we analyze the reason why one can obtain two opposite behaviors of the chiral critical temperature as a function of mu(5) in the framework of different regularization schemes. We compare the modifications of the chiral condensate and the critical temperature due to mu(5) in different regularization schemes, analytically and numerically. Finally, we find that, for the conventional hard-cutoff regularization scheme, the increasing dependence of the critical temperature on the chiral chemical potential is an artifact, which is caused by the fact that it does not include a complete contribution from the thermal fluctuations. When the thermal contribution is fully taken into account, the chiral critical temperature should decrease with mu(5).
关键词[WOS]HEAVY-ION COLLISIONS ; NUMBER NON-CONSERVATION ; WEINBERG-SALAM THEORY ; MAGNETIC-FIELD ; PSEUDOPARTICLE ; FLUCTUATIONS ; TEMPERATURE ; SPHALERONS ; INSTANTONS ; VIOLATION
语种英语
WOS记录号WOS:000380111900001
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被引频次:11[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/311005/260675
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_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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Yu L,Liu H,Huang M,et al. Effect of the chiral chemical potential on the chiral phase transition in the NJL model with different regularization schemes[J]. PHYSICAL REVIEW D,2016,94(1).
APA 余浪,刘好,黄梅,Yu, L,Liu, H,&Huang, M.(2016).Effect of the chiral chemical potential on the chiral phase transition in the NJL model with different regularization schemes.PHYSICAL REVIEW D,94(1).
MLA 余浪,et al."Effect of the chiral chemical potential on the chiral phase transition in the NJL model with different regularization schemes".PHYSICAL REVIEW D 94.1(2016).
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