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A Model-Independent Discussion of Quark Number Density and Quark Condensate at Zero Temperature and Finite Quark Chemical Potential
Xu Shu-Sheng1,4; Jiang Yu2; Shi Chao1,4; Cui Zhu-Fang1,4; Zong Hong-Shi1,3,4
2015-12-01
Source PublicationCHINESE PHYSICS LETTERS
Volume32Issue:12
AbstractGenerally speaking, the quark propagator is dependent on the quark chemical potential in the dense quantum chromodynamics (QCD). By means of the generating functional method, we prove that the quark propagator actually depends on p(4) + i mu from the first principle of QCD. The relation between quark number density and quark condensate is discussed by analyzing their singularities. It is concluded that the quark number density has some singularities at certain.. when T = 0, and the variations of the quark number density as well as the quark condensate are located at the same point. In other words, at a certain mu the quark number density turns to nonzero, while the quark condensate begins to decrease from its vacuum value.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0256-307X/32/12/121101
WOS KeywordCHIRAL PHASE-TRANSITION ; QCD ; SUSCEPTIBILITY
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000366615500004
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16082
Collection空间目标与碎片观测研究基地
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Zhejiang Normal Univ, Ctr Stat & Theoret Condensed Matter Phys, Jinhua 321004, Peoples R China
3.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
4.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xu Shu-Sheng,Jiang Yu,Shi Chao,et al. A Model-Independent Discussion of Quark Number Density and Quark Condensate at Zero Temperature and Finite Quark Chemical Potential[J]. CHINESE PHYSICS LETTERS,2015,32(12).
APA Xu Shu-Sheng,Jiang Yu,Shi Chao,Cui Zhu-Fang,&Zong Hong-Shi.(2015).A Model-Independent Discussion of Quark Number Density and Quark Condensate at Zero Temperature and Finite Quark Chemical Potential.CHINESE PHYSICS LETTERS,32(12).
MLA Xu Shu-Sheng,et al."A Model-Independent Discussion of Quark Number Density and Quark Condensate at Zero Temperature and Finite Quark Chemical Potential".CHINESE PHYSICS LETTERS 32.12(2015).
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