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NJL model with the modified quark-dependent coupling strength G
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.
2017
发表期刊MODERN PHYSICS LETTERS A
卷号32期号:20页码:1750107
文章类型Article
摘要In 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.
关键词Njl Model Chiral Phase Transition Lattice Qcd
学科领域Physics
资助者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] ; National Natural Science Foundation of China [11475085, 11535005, 11690030]
DOIhttp://dx.doi.org/10.1142/S0217732317501073
关键词[WOS]QUASI-PARTICLE MODEL ; DYSON-SCHWINGER EQUATIONS ; CHIRAL PHASE-TRANSITION ; ZERO-POINT ENERGY ; FINITE-TEMPERATURE ; WIGNER SOLUTION ; GLUON PLASMA ; QCD ; PROPAGATOR ; BEHAVIOR
语种英语
资助者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] ; National Natural Science Foundation of China [11475085, 11535005, 11690030]
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/311006/22028
专题理论物理所2017年知识产出
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.
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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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