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题名: Studies of two-solar-mass hybrid stars within the framework of Dyson-Schwinger equations
作者: Zhao, Tong1; Xu, Shu-Sheng2; Yan, Yan2; Luo, Xin-Lian3; Liu, Xiao-Jun1; Zong, Hong-Shi2, 4, 5
刊名: PHYSICAL REVIEW D
出版日期: 2015-09-09
卷号: 92, 期号:5
DOI: 10.1103/PhysRevD.92.054012
文章类型: Article
英文摘要: In this paper we introduce an equation of state (EOS) of quark matter within the framework of Dyson-Schwinger equations to study the structure of compact stars. The smooth crossover from hadronic matter to quark matter in the hybrid star is studied. We compare different strategies to obtain crossover EOSs and find a new way to construct two-solar-mass hybrid stars with even a relatively soft quark EOS, while earlier works showed that the quark EOS should be stiff enough to support a massive hybrid star.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]: Astronomy & Astrophysics ; Physics
关键词[WOS]: NEUTRON-STAR ; OF-STATE ; PHASE-TRANSITIONS ; MODEL ; QCD ; MATTER ; ASTROPHYSICS ; CONFINEMENT ; NUCLEON
收录类别: SCI
语种: 英语
WOS记录号: WOS:000360885900005
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16024
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Key Lab Modern Acoust, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
3.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
4.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
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