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Cui, ZF; Shi, C; Sun, WM; Wang, YL; Zong, HS; Cui, ZF (reprint author), Nanjing Univ, Inst Acoust, MOE, Dept Phys,Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
The Wigner solution and QCD phase transitions in a modified PNJL model
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
KeywordDyson-schwinger Equations Finite-temperature Quantum Chromodynamics Vector Interaction Resonance Physics Quark Mass Diagram Deconfinement Condensate Propagator
AbstractBy employing some modification to the widely used two-flavor Polyakov-loop extended Nambu-Jona-Lasinio (PNJL) model, we discuss the Wigner solution of the quark gap equation at finite temperature and zero quark chemical potential beyond the chiral limit, and then we try to explore its influence on the chiral and deconfinement phase transitions of QCD at finite temperature and zero chemical potential. The discovery of the coexistence of the Nambu and the Wigner solutions of the quark gap equation with nonzero current quark mass at zero temperature and zero chemical potential, as well as their evolutions with temperature, is very interesting for the studies of the phase transitions of QCD. According to our results, the chiral phase transition might be of first order (while the deconfinement phase transition is still a crossover, as in the normal PNJL model), and the corresponding phase transition temperature is lower than that of the deconfinement phase transition, instead of coinciding with each other, which are not the same as the conclusions obtained from the normal PNJL model. In addition, we also discuss the sensibility of our final results on the choice of model parameters.
2014
ISSN1434-6044
Volume74Issue:2Pages:2782
Subject AreaPhysics
DOI10.1140/epjc/s10052-014-2782-x
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11275097, 10935001, 11047020, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11047020, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11047020, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11047020, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002]
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Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15815
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCui, ZF (reprint author), Nanjing Univ, Inst Acoust, MOE, Dept Phys,Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Cui, ZF,Shi, C,Sun, WM,et al. The Wigner solution and QCD phase transitions in a modified PNJL model[J]. EUROPEAN PHYSICAL JOURNAL C,2014,74(2):2782.
APA Cui, ZF,Shi, C,Sun, WM,Wang, YL,Zong, HS,&Cui, ZF .(2014).The Wigner solution and QCD phase transitions in a modified PNJL model.EUROPEAN PHYSICAL JOURNAL C,74(2),2782.
MLA Cui, ZF,et al."The Wigner solution and QCD phase transitions in a modified PNJL model".EUROPEAN PHYSICAL JOURNAL C 74.2(2014):2782.
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