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Luo, LJ; Cao, J; Yan, Y; Sun, WM; Zong, HS; Luo, LJ (reprint author), Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, MOE, Nanjing 210093, Jiangsu, Peoples R China.
A thermodynamically consistent quasi-particle model without density-dependent infinity of the vacuum zero-point energy
发表期刊EUROPEAN PHYSICAL JOURNAL C
语种英语
关键词Quark-gluon Plasma Equation-of-state Lattice Qcd Temperature Fermions Stars
摘要In this paper, we generalize the improved quasi-particle model proposed in Cao et al. (Phys. Lett. B 711:65, 2012) from finite temperature and zero chemical potential to the case of finite chemical potential and zero temperature, and calculate the equation of state (EOS) for (2 + 1) flavor Quantum Chromodynamics (QCD) at zero temperature and high density. We first calculate the partition function at finite temperature and chemical potential, then go to the limit T = 0 and obtain the equation of state (EOS) for cold and dense QCD, which is important for the study of neutron stars. Furthermore, we use this EOS to calculate the quark-number density, the energy density, the quark-number susceptibility and the speed of sound at zero temperature and finite chemical potential and compare our results with the corresponding ones in the existing literature.
2013
ISSN1434-6044
卷号73期号:11页码:2626
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [11275097, 10935001, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002] ; National Natural Science Foundation of China [11275097, 10935001, 11274166, 11075075]; National Basic Research Program of China [2012CB921504]; Research Fund for the Doctoral Program of Higher Education [2012009111002]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15242
专题理论物理所科研产出_SCI论文
通讯作者Luo, LJ (reprint author), Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, MOE, Nanjing 210093, Jiangsu, Peoples R China.
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Luo, LJ,Cao, J,Yan, Y,et al. A thermodynamically consistent quasi-particle model without density-dependent infinity of the vacuum zero-point energy[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(11):2626.
APA Luo, LJ,Cao, J,Yan, Y,Sun, WM,Zong, HS,&Luo, LJ .(2013).A thermodynamically consistent quasi-particle model without density-dependent infinity of the vacuum zero-point energy.EUROPEAN PHYSICAL JOURNAL C,73(11),2626.
MLA Luo, LJ,et al."A thermodynamically consistent quasi-particle model without density-dependent infinity of the vacuum zero-point energy".EUROPEAN PHYSICAL JOURNAL C 73.11(2013):2626.
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