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Properties of neutron stars with hyperons in the relativistic mean field theory
Ma, ZX; Dai, ZG; Lu, T
2001
发表期刊ASTRONOMY & ASTROPHYSICS
卷号366期号:2页码:532-537
通讯作者Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China ; Chinese Acad Sci, IHEP, Beijing 100039, Peoples R China
文章类型Article
摘要We study the equation of state (EOS) of the dense matter in the core of neutron stars with hyperons included and the star structure based on the Zimanyi & Moszkowski (Zhl) model in the relativistic mean-field theory with a set of recent satisfactory parameters. The relation between hyperon abundances and baryon number densities is calculated and the distribution of baryons in the core of a typical neutron stat. of 1.4 M. is presented. Our results satisfy the requirements from observations of the mass of binary radio pulsars, and the ratio, I(c)/I(tot), of the crustal momentum of inertia to the total one. The actual surface thermal radiation detected seems to indicate that baryons in the core of neutron stars should pair to form a superfluid phase, if hyperons appear in the core of neutron stars.
关键词stars : neutron equations of state elementary particles
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000167127200018
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237847
专题实验物理中心
作者单位中国科学院高能物理研究所
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Ma, ZX,Dai, ZG,Lu, T. Properties of neutron stars with hyperons in the relativistic mean field theory[J]. ASTRONOMY & ASTROPHYSICS,2001,366(2):532-537.
APA Ma, ZX,Dai, ZG,&Lu, T.(2001).Properties of neutron stars with hyperons in the relativistic mean field theory.ASTRONOMY & ASTROPHYSICS,366(2),532-537.
MLA Ma, ZX,et al."Properties of neutron stars with hyperons in the relativistic mean field theory".ASTRONOMY & ASTROPHYSICS 366.2(2001):532-537.
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