ITP OpenIR  > 理论物理所2017年知识产出
Studies of the hybrid star structure within 2+1 flavors NJL model
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.
2017
发表期刊PHYSICAL REVIEW D
卷号95期号:5页码:56018
文章类型Article
摘要In 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.
学科领域Astronomy & Astrophysics ; 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/10.1103/PhysRevD.95.056018
关键词[WOS]EQUATION-OF-STATE ; DYSON-SCHWINGER EQUATIONS ; JONA-LASINIO MODEL ; PHASE-TRANSITIONS ; NEUTRON-STAR ; MASS ; QCD ; MATTER ; REGULARIZATION ; ASTROPHYSICS
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Astronomy & Astrophysics ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22100
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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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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