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题名: Effect of the chiral chemical potential on the position of the critical endpoint
作者: Wang, B;  Wang, YL;  Cui, ZF;  Zong, HS
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 91, 期号:3, 页码:34017
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.91.034017
通讯作者: Wang, B (reprint author), Nanjing Univ, Key Lab Modern Acoust, MOE, Inst Acoust, Nanjing 210093, Jiangsu, Peoples R China.
文章类型: Article
英文摘要: The effect of chiral imbalance on the QCD phase structure is studied in a framework of Dyson-Schwinger equations. It is found that the chiral phase transition is always a crossover in the T - mu(5) plane when mu is 0 MeV or small values. The trail of the critical endpoints (CEPs) along with the variation of the chiral chemical potential is given. We find that the effect of mu(5) is somewhat different from the existing chiral model calculations; namely, the CEP first moves roughly along the phase boundary of T - mu plane in a smaller mu direction, as in the chiral model calculations, but turns in the opposite direction to move away from the small chemical potential region, which has never been observed before. In addition, we also discuss the possibility of whether the study at finite temperature and chiral chemical potential can provide some useful information for the detection of the CEP at finite temperature and baryon chemical potential, since the former can be calculated in lattice QCD without the sign problem.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: DYSON-SCHWINGER EQUATIONS ;  FINITE-TEMPERATURE ;  PHASE-DIAGRAM ;  QCD ;  CONTINUUM ;  DENSITY ;  MODEL ;  PSEUDOPARTICLE ;  DECONFINEMENT ;  TRANSITION
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11275097, 11475085] ;  National Basic Research Program of China [2012CB921504] ;  Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21087
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Wang, B,Wang, YL,Cui, ZF,et al. Effect of the chiral chemical potential on the position of the critical endpoint[J]. PHYSICAL REVIEW D,2015,91(3):34017.
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