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The Wigner solution and QCD phase transitions in a modified PNJL model
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.
2014
发表期刊EUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
卷号74期号:2页码:2782
摘要By 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.
部门归属[Cui, Zhu-fang
关键词Dyson-schwinger Equations Finite-temperature Quantum Chromodynamics Vector Interaction Resonance Physics Quark Mass Diagram Deconfinement Condensate Propagator
学科领域Physics
资助者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] ; 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] ; 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]
DOI10.1140/epjc/s10052-014-2782-x
URL查看原文
收录类别SCI
语种英语
资助者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] ; 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] ; 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]
WOS记录号WOS:000346789000001
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15815
专题理论物理所SCI论文
通讯作者Cui, ZF (reprint author), Nanjing Univ, Inst Acoust, MOE, Dept Phys,Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.
推荐引用方式
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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