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Critical behaviors near the (tri-)critical end point of QCD within the NJL model
Lu, Ya1; Du, Yi-Lun1; Cui, Zhu-Fang1,3; Zong, Hong-Shi1,2,3
2015-10-19
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Volume75Issue:10
AbstractWe 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 HeadingsScience & Technology ; Physical Sciences
DOI10.1140/epjc/s10052-015-3720-2
WOS KeywordCHIRAL PHASE-TRANSITION ; JONA-LASINIO MODEL ; COLOR SUPERCONDUCTIVITY ; BARYON DENSITY ; QUARK MATTER ; PNJL MODEL ; SUSCEPTIBILITIES ; CHROMODYNAMICS ; TEMPERATURE ; EQUATION
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000363263100001
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16028
Collection暗物质和空间天文实验室
Affiliation1.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
Recommended Citation
GB/T 7714
Lu, Ya,Du, Yi-Lun,Cui, Zhu-Fang,et al. Critical behaviors near the (tri-)critical end point of QCD within the NJL model[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(10).
APA Lu, Ya,Du, Yi-Lun,Cui, Zhu-Fang,&Zong, Hong-Shi.(2015).Critical behaviors near the (tri-)critical end point of QCD within the NJL model.EUROPEAN PHYSICAL JOURNAL C,75(10).
MLA Lu, Ya,et al."Critical behaviors near the (tri-)critical end point of QCD within the NJL model".EUROPEAN PHYSICAL JOURNAL C 75.10(2015).
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