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题名: Critical behaviors near the (tri-)critical end point of QCD within the NJL model
作者: Lu, Ya1; Du, Yi-Lun1; Cui, Zhu-Fang1, 3; Zong, Hong-Shi1, 2, 3
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2015-10-19
卷号: 75, 期号:10
DOI: 10.1140/epjc/s10052-015-3720-2
文章类型: Article
英文摘要: We investigate the dynamical chiral symmetry breaking and its restoration at finite density and temperature within the two-flavor Nambu-Jona-Lasinio model, and mainly focus on the critical behaviors near the critical end point (CEP) and tricritical point (TCP) of quantum chromodynamics. The multi-solution region of the Nambu and Wigner ones is determined in the phase diagram for the massive and massless current quark, respectively. We use the various susceptibilities to locate the CEP/TCP and then extract the critical exponents near them. Our calculations reveal that the various susceptibilities share the same critical behaviors for the physical current quarkmass, while they showdifferent features in the chiral limit.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Particles & Fields
研究领域[WOS]: Physics
关键词[WOS]: CHIRAL PHASE-TRANSITION ; JONA-LASINIO MODEL ; COLOR SUPERCONDUCTIVITY ; BARYON DENSITY ; QUARK MATTER ; PNJL MODEL ; SUSCEPTIBILITIES ; CHROMODYNAMICS ; TEMPERATURE ; EQUATION
收录类别: SCI
项目资助者: National Natural Science Foundation of China(11275097 ; Jiangsu Planned Projects for Postdoctoral Research Funds(1402006C) ; 11475085 ; 11535005)
语种: 英语
WOS记录号: WOS:000363263100001
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16036
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
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