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Proper time regularization at finite quark chemical potential
Zhang, JL; Shi, YM; Xu, SS; Zong, HS; Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2016
发表期刊MODERN PHYSICS LETTERS A
卷号31期号:14页码:1650086
文章类型Article
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.
关键词Proper-time Regularization Chiral Phase Transition Crossover
学科领域Physics
资助者National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078]
DOIhttp://dx.doi.org/10.1142/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
资助者National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of China [11275097, 11475085, 11535005] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078] ; National Natural Science Foundation of Jiangsu Province of China [BK20130078]
WOS类目Physics, Nuclear ; Physics, Particles & Fields ; Physics, Mathematical
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21653
专题理论物理所SCI论文
通讯作者Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China.; Zong, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, JL,Shi, YM,Xu, SS,et al. Proper time regularization at finite quark chemical potential[J]. MODERN PHYSICS LETTERS A,2016,31(14):1650086.
APA Zhang, JL.,Shi, YM.,Xu, SS.,Zong, HS.,Zong, HS .,...&Zong, HS .(2016).Proper time regularization at finite quark chemical potential.MODERN PHYSICS LETTERS A,31(14),1650086.
MLA Zhang, JL,et al."Proper time regularization at finite quark chemical potential".MODERN PHYSICS LETTERS A 31.14(2016):1650086.
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