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Neutron stars with isovector scalar correlations
刘波(理); Liu, B; Guo, H; Di Toro, M; Greco, V
2005
发表期刊EUROPEAN PHYSICAL JOURNAL A
卷号25期号:2页码:#REF!
通讯作者Liu, B (reprint author), Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
文章类型Article
摘要Neutron stars with the isovector scalar delta-field are studied in the framework of the relativistic mean-field (RMF) approach in a pure-nucleon-plus-lepton scheme. The delta-field leads to a larger repulsion in dense neutron-rich matter and to a definite splitting of proton and neutron effective masses. Both features are influencing tire stability conditions of the neutron stars. Two parametrizations for the effective nonlinear Lagrangian density are used to calculate the nuclear equation of state (EOS) and the neutron star properties, and compared to correlated Dirac-Brueckner results. We conclude that in order to reproduce reasonable nuclear structure and neutron star properties within a RMF approach, a density dependence of the coupling constants is required.
学科领域Physics
DOI10.1140/epja/i2005-10095-1
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000232779500017
引用统计
被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227460
专题理论物理室
推荐引用方式
GB/T 7714
Liu B,Liu, B,Guo, H,et al. Neutron stars with isovector scalar correlations[J]. EUROPEAN PHYSICAL JOURNAL A,2005,25(2):#REF!.
APA 刘波,Liu, B,Guo, H,Di Toro, M,&Greco, V.(2005).Neutron stars with isovector scalar correlations.EUROPEAN PHYSICAL JOURNAL A,25(2),#REF!.
MLA 刘波,et al."Neutron stars with isovector scalar correlations".EUROPEAN PHYSICAL JOURNAL A 25.2(2005):#REF!.
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