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Li, CM; Zhang, JL; Yan, Y; Huang, YF; Zong, HS
Studies of the structure of massive hybrid stars within a modified NJL model
发表期刊PHYSICAL REVIEW D
语种英语
关键词EQUATION-OF-STATE DYSON-SCHWINGER EQUATIONS JONA-LASINIO MODEL PHASE-TRANSITIONS FINITE-TEMPERATURE WIGNER SOLUTION NEUTRON-STARS BAG CONSTANT QUARK MATTER FIELD-THEORY
摘要In this paper, we use the equation of state based on a modification of the 2+1 flavors Nambu-Jona-Lasinio (NJL) model to study the quark matter of hybrid stars. For comparison, we utilize five EOSs of the relativistic mean-field (RMF) model to describe the hadronic phase. With the three-window crossover interpolation approach, we try to construct relatively soft hybrid EOSs but find the maximum masses of hybrid stars do not differ much. The results are quite close to the 2 solar mass, which is consistent with the mass constraint of PSR J0348 + 0432. Furthermore, it is noteworthy that the heaviest stable stars have central densities higher than that of the deconfinement transition, suggesting a pure quark core in the hybrid star.
2018
ISSN2470-0010
卷号97期号:10页码:103013
学科领域Astronomy & Astrophysics ; Physics
学科门类Astronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.97.103013
收录类别SCIE
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22897
专题理论物理所科研产出_SCI论文
作者单位1.[Li, Cheng-Ming
2.Zhang, Jin-Li
3.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
4.[Yan, Yan
5.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
6.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
7.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
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Li, CM,Zhang, JL,Yan, Y,et al. Studies of the structure of massive hybrid stars within a modified NJL model[J]. PHYSICAL REVIEW D,2018,97(10):103013.
APA Li, CM,Zhang, JL,Yan, Y,Huang, YF,&Zong, HS.(2018).Studies of the structure of massive hybrid stars within a modified NJL model.PHYSICAL REVIEW D,97(10),103013.
MLA Li, CM,et al."Studies of the structure of massive hybrid stars within a modified NJL model".PHYSICAL REVIEW D 97.10(2018):103013.
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