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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.
Proper time regularization at finite quark chemical potential
Source PublicationMODERN PHYSICS LETTERS A
Language英语
KeywordProper-time Regularization Chiral Phase Transition Crossover
AbstractIn 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.
2016
Volume31Issue:14Pages:1650086
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S0217732316500863
Indexed BySCI
Funding OrganizationNational 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]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21653
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZong, 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.
Recommended Citation
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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