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arXiv 1206.6922astro-ph.HEastro-ph.SRnucl-th
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用统一状态方程研究中子星的结构

Structure of neutron stars with unified equations of state

A. F. Fantina, N. Chamel, J. M. Pearson, S. Goriely

摘要:

基于核能-密度泛函(EDF)理论,我们提出了一组三个统一的状态方程(EoS),这些EoS基于广义Skyrme力,适用于基本上所有的实验原子质量数据,并被约束以再现无限核物质的各种性质,这些性质是通过使用现实的二体和三体相互作用的多体计算得到的。结合一些天体物理观测讨论了冷孤立中子星的结构。

英文摘要:

We present a set of three unified equations of states (EoSs) based on the nuclear energy-density functional (EDF) theory.These EoSs are based on generalized Skyrme forces fitted to essentially all experimental atomic mass data and constrained to reproduce various properties of infinite nuclear matter as obtained from many-body calculations using realistic two- and three-body interactions. The structure of cold isolated neutron stars is discussed in connection with some astrophysical observations.

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