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Li, CM; Zhang, JL; Zhao, T; Zhao, YP; 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.
Studies of the hybrid star structure within 2+1 flavors NJL model
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractIn this paper, we use the equation of state (EOS) of the 2 + 1 flavors Nambu-Jona-Lasinio (NJL) model to study the structure of compact stars. To avoid the ultraviolet divergence, we employ the proper-time regularization (PTR) with an ultraviolet cutoff. For comparison, we fix three sets of parameters, where the constraints of chemical equilibrium and electric charge neutrality conditions are taken into consideration. With a certain interpolation method in the crossover region, we construct three corresponding hybrid EOSs but find that the maximum masses of hybrid stars in the three different cases do not differ too much. It should be pointed out that the results we get are in accordance with the recent astro-observation PSR J0348 + 0432, PSR J1614 - 2230, PSR J1946 + 3417.
2017
Volume95Issue:5Pages:56018
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.95.056018
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/311006/22100
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
Li, CM,Zhang, JL,Zhao, T,et al. Studies of the hybrid star structure within 2+1 flavors NJL model[J]. PHYSICAL REVIEW D,2017,95(5):56018.
APA Li, CM.,Zhang, JL.,Zhao, T.,Zhao, YP.,Zong, HS.,...&Zong, HS .(2017).Studies of the hybrid star structure within 2+1 flavors NJL model.PHYSICAL REVIEW D,95(5),56018.
MLA Li, CM,et al."Studies of the hybrid star structure within 2+1 flavors NJL model".PHYSICAL REVIEW D 95.5(2017):56018.
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