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Proper time regularization at finite quark chemical potential
Zhang, Jin-Li1; Shi, Yuan-Mei1,2; Xu, Shu-Sheng1,4; Zong, Hong-Shi1,3,4
2016-05-10
发表期刊MODERN PHYSICS LETTERS A
卷号31期号:14
摘要In this paper, we use the two-flavor Nambu-Jona-Lasinio (NJL) model to study the quantum chromodynamics (QCD) chiral phase transition. To deal with the ultraviolet (UV) issue, we adopt the popular proper time regularization (PTR), which is commonly used not only for hadron physics but also for the studies with magnetic fields. This regularization scheme can introduce the infrared (IR) cutoff to include quark confinement. We generalize the PTR to zero temperature and finite chemical potential case use a completely new method, and then study the chiral susceptibility, both in the chiral limit case and with finite current quark mass. The chiral phase transition is second-order in mu = 0 and T = 0 and crossover at mu not equal 0 and T = 0. Three sets of parameters are used to make sure that the results do not depend on the parameter choice.
文章类型Article
关键词Proper-time Regularization Chiral Phase Transition Crossover
WOS标题词Science & Technology ; Physical Sciences
DOI10.1142/S0217732316500863
关键词[WOS]CHIRAL PHASE-TRANSITION ; JONA-LASINIO MODEL ; NJL-MODEL ; DYNAMICAL MODEL ; WIGNER SOLUTION ; MAGNETIC-FIELD ; QCD ; SOLITON ; MASS ; SUPERCONDUCTIVITY
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(11275097 ; National Natural Science Foundation of Jiangsu Province of China(BK20130078) ; 11475085 ; 11535005)
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields ; Physics, Mathematical
WOS记录号WOS:000377028300005
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/16227
专题行星科学与深空探测实验室
作者单位1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Xiaozhuang Univ, Dept Phys & Elect Engn, Nanjing 211171, Jiangsu, 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
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GB/T 7714
Zhang, Jin-Li,Shi, Yuan-Mei,Xu, Shu-Sheng,et al. Proper time regularization at finite quark chemical potential[J]. MODERN PHYSICS LETTERS A,2016,31(14).
APA Zhang, Jin-Li,Shi, Yuan-Mei,Xu, Shu-Sheng,&Zong, Hong-Shi.(2016).Proper time regularization at finite quark chemical potential.MODERN PHYSICS LETTERS A,31(14).
MLA Zhang, Jin-Li,et al."Proper time regularization at finite quark chemical potential".MODERN PHYSICS LETTERS A 31.14(2016).
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