ITP OpenIR  > 理论物理所2015年知识产出
2+1 flavors QCD equation of state at zero temperature within Dyson-Schwinger equations
Xu, SS; Yan, Y; Cui, ZF; Zong, HS; Xu, SS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
2015
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷号30期号:36页码:1550217
文章类型Article
摘要Within the framework of Dyson-Schwinger equations (DSEs), we discuss the equation of state (EOS) and quark number densities of 2 + 1 flavors, that is to say, u, d, and a quarks. The chemical equilibrium and electric charge neutrality conditions are used to constrain the chemical potential of different quarks. The EOS in the cases of 2 flavors and 2 + 1 flavors are discussed, and the quark number densities, the pressure, and energy density per baryon are also studied. The results show that there is a critical chemical potential for each flavor of quark, at which the quark number density turns to nonzero from 0; and furthermore, the system with 2 + 1 flavors of quarks is more stable than that with 2 flavors in the system. These discussions may provide some useful in to some research fields, such as the studies related to the QCD phase transitions or compact stars.
关键词Equation Of State Quark Number Density Dyson-schwinger Equations
学科领域Physics
资助者National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; China Postdoctoral Science Foundation [2015M581766] ; China Postdoctoral Science Foundation [2015M581766] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; China Postdoctoral Science Foundation [2015M581766] ; China Postdoctoral Science Foundation [2015M581766]
DOIhttp://dx.doi.org/10.1142/S0217751X15502176
关键词[WOS]QUARK MATTER ; SYMMETRY-BREAKING ; PHASE-TRANSITION ; WIGNER SOLUTION ; POLYAKOV-LOOP ; PNJL MODEL ; NJL-MODEL ; DENSITY ; PHYSICS ; STARS
收录类别SCI
语种英语
资助者National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; China Postdoctoral Science Foundation [2015M581766] ; China Postdoctoral Science Foundation [2015M581766] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ; China Postdoctoral Science Foundation [2015M581766] ; China Postdoctoral Science Foundation [2015M581766]
WOS类目Physics, Nuclear ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20734
专题理论物理所2015年知识产出
通讯作者Xu, SS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
推荐引用方式
GB/T 7714
Xu, SS,Yan, Y,Cui, ZF,et al. 2+1 flavors QCD equation of state at zero temperature within Dyson-Schwinger equations[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2015,30(36):1550217.
APA Xu, SS,Yan, Y,Cui, ZF,Zong, HS,&Xu, SS .(2015).2+1 flavors QCD equation of state at zero temperature within Dyson-Schwinger equations.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,30(36),1550217.
MLA Xu, SS,et al."2+1 flavors QCD equation of state at zero temperature within Dyson-Schwinger equations".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 30.36(2015):1550217.
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