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题名: The Wigner solution of quark gap equation and chiral phase transition of QCD at finite temperature and nonzero chemical potential
作者: Cui, ZF ;  Shi, C ;  Xia, YH ;  Jiang, Y ;  Zong, HS
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2013
卷号: 73, 期号:10, 页码:2612
关键词: DYSON-SCHWINGER EQUATIONS ;  NJL-MODEL ;  QUANTUM CHROMODYNAMICS ;  VECTOR INTERACTION ;  PHYSICS ;  CONDENSATE ;  CONTINUUM ;  DENSITY ;  HADRONS ;  DIAGRAM
学科分类: Physics
通讯作者: Cui, ZF (reprint author), Nanjing Univ, Key Lab Modern Acoust, MOE, Inst Acoust, Nanjing 210093, Jiangsu, Peoples R China.
部门归属: [Cui, Zhu-fang] Nanjing Univ, Key Lab Modern Acoust, MOE, Inst Acoust, Nanjing 210093, Jiangsu, Peoples R China; [Cui, Zhu-fang; Shi, Chao; Xia, Yong-hui; Zong, Hong-shi] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China; [Cui, Zhu-fang; Shi, Chao; Xia, Yong-hui; Zong, Hong-shi] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Jiang, Yu; Zong, Hong-shi] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China; [Jiang, Yu] Zhejiang Normal Univ, Ctr Stat & Theoret Condensed Matter Phys, Jinhua City 321004, Zhejiang, Peoples R China
英文摘要: By employing some modification to the normal NJL model, we discuss the Wigner solution of quark gap equation at finite temperature and chemical potential when the current quark mass m is nonzero. The discovery of the coexistence of the Nambu solution and the Wigner solution at finite temperature and chemical potential beyond the chiral limit is of great importance in the study of the chiral phase transition of QCD. Using the pressure difference between Nambu phase and Wigner phase (or in other words, the bag constant) as an order parameter for chiral phase transition, we draw a possible phase diagram based on our calculations.
资助者: National Natural Science Foundation of China [11275097, 10935001, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000325778700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15265
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Recommended Citation:
Cui, ZF,Shi, C,Xia, YH,et al. The Wigner solution of quark gap equation and chiral phase transition of QCD at finite temperature and nonzero chemical potential[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(10):2612.
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