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Li, CM; Yan, Y2; Geng, JJ; Huang, YF; Zong, HS
Constraints on the hybrid equation of state with a crossover hadron-quark phase transition in the light of GW170817
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordNEUTRON-STARS MODEL QCD MATTER DENSITY
AbstractIn this paper, we use the recent updated source properties of GW170817 to constrain the hybrid equation of state (EOS) constructed by a three-window modeling between the hadronic EOS and quark EOS. Specifically, the hadronic EOS is described by the NL3 omega rho model whose corresponding pure neutron star (NS) is already excluded by the constraint of tidal deformability (TD) from GW170817, and the quark EOS is calculated with the 2 + 1 flavors Nambu-Jona-Lasinio (NJL) model. We also consider four other constraints on the hybrid EOS. As a result, we find the parameter set (B-1/4, (mu) over tilde, I) can be well constrained, indicating the possible existence of the hybrid star (HS) with a crossover inside. The type of the two stars in the binary system for nine representative hybrid EOSs is shown in this paper too. Furthermore, the HSs restricted by five constraints do not suggest a pure quark core but a mixed phase in the center.
2018
ISSN2470-0010
Volume98Issue:8Pages:83013
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.98.083013
Indexed BySCIE
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22796
CollectionSCI期刊论文
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Proton Source Res & Design Ctr, Nanjing 210093, Jiangsu, Peoples R China
3.Changzhou Univ, Sch Math & Phys, Changzhou 213164, Jiangsu, Peoples R China
4.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210023, Jiangsu, Peoples R China
5.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
6.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, CM,Yan, Y,Geng, JJ,et al. Constraints on the hybrid equation of state with a crossover hadron-quark phase transition in the light of GW170817[J]. PHYSICAL REVIEW D,2018,98(8):83013.
APA Li, CM,Yan, Y,Geng, JJ,Huang, YF,&Zong, HS.(2018).Constraints on the hybrid equation of state with a crossover hadron-quark phase transition in the light of GW170817.PHYSICAL REVIEW D,98(8),83013.
MLA Li, CM,et al."Constraints on the hybrid equation of state with a crossover hadron-quark phase transition in the light of GW170817".PHYSICAL REVIEW D 98.8(2018):83013.
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