ITP OpenIR  > SCI期刊论文
Li, CM; Zhang, JL; Yan, Y; Huang, YF; Zong, HS
Studies of the structure of massive hybrid stars within a modified NJL model
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordEQUATION-OF-STATE DYSON-SCHWINGER EQUATIONS JONA-LASINIO MODEL PHASE-TRANSITIONS FINITE-TEMPERATURE WIGNER SOLUTION NEUTRON-STARS BAG CONSTANT QUARK MATTER FIELD-THEORY
AbstractIn 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
Volume97Issue:10Pages:103013
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.97.103013
Indexed BySCIE
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22897
CollectionSCI期刊论文
Affiliation1.[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
Recommended Citation
GB/T 7714
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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