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Xu, SS; Yan, Y; Cui, ZF; Zong, HS; Xu, SS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
2+1 flavors QCD equation of state at zero temperature within Dyson-Schwinger equations
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
Language英语
KeywordEquation Of State Quark Number Density Dyson-schwinger Equations
AbstractWithin 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.
2015
Volume30Issue:36Pages:1550217
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S0217751X15502176
Indexed BySCI
Funding OrganizationNational Natural Science Foutidation of China [11275097, 11475085, 11535005] ; National Natural Science Foutidation of China [11275097, 11475085, 11535005] ; 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] ; 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] ; China Postdoctoral Science Foundation [2015M581766] ; China Postdoctoral Science Foundation [2015M581766]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20734
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorXu, SS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
Recommended Citation
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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