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Fan, ZY; Fan, WK; Wang, QW; 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.
NJL model with the modified quark-dependent coupling strength G
Source PublicationMODERN PHYSICS LETTERS A
Language英语
KeywordNjl Model Chiral Phase Transition Lattice Qcd
AbstractIn this paper, the coupling strength G of the Nambu-Jona-Lasinio (NJL) model is modified by incorporating quark's feedback into the gluon propagator. The modified two flavor NJL model with the quark-dependent coupling strength is explored. The quark condensate in this framework has a conspicuous agreement with the lattice quantum chromodynamics (QCD) results at finite temperature. Then, it is compared with the original NJL model in both zero (chiral limit) and nonzero current quark mass. The QCD phase diagram and susceptibilities are investigated in the temperature-chemical potential (T-mu) plane. Therefore, the pseudo-critical temperature T-c and the critical end point (CEP) are worked out and compared with original NJL model or lattice QCD results. In addition, the pion mass and decay constant are studied at finite temperature.
2017
Volume32Issue:20Pages:1750107
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S0217732317501073
Funding OrganizationNational Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030] ; National Natural Science Foundation of China [11475085, 11535005, 11690030]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22028
CollectionSCI期刊论文
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
Fan, ZY,Fan, WK,Wang, QW,et al. NJL model with the modified quark-dependent coupling strength G[J]. MODERN PHYSICS LETTERS A,2017,32(20):1750107.
APA Fan, ZY.,Fan, WK.,Wang, QW.,Zong, HS.,Zong, HS .,...&Zong, HS .(2017).NJL model with the modified quark-dependent coupling strength G.MODERN PHYSICS LETTERS A,32(20),1750107.
MLA Fan, ZY,et al."NJL model with the modified quark-dependent coupling strength G".MODERN PHYSICS LETTERS A 32.20(2017):1750107.
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