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Proton fraction in hot neutron star matter with a chiral hadronic model
Guo, H; Zhou, R; Liu, YX; Guo, H , Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China.
2002
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号19期号:10页码:1432-1435
摘要In the framework of a chiral hadronic model it has been numerically proven that the parabolic expansion with respect to delta(2) at finite density and temperature is a good approximation in the relativistic mean field theory. It is also shown that the proton fraction in the modified Urca process is considerably restrained in comparison with that of the direct Urca process. Then, we discuss the influences of the density-dependent and temperature-dependent asymmetry energy on the proton fraction in hot neutron star matter.
部门归属Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China; Peking Univ, MOE, Lab Heavy Ion Phys, Beijing 100871, Peoples R China; Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Natl Lab heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Asymmetric Nuclear-matter Isospin-dependence Temperature
学科领域Physics
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收录类别SCI
WOS记录号WOS:000178755700011
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13419
专题理论物理所1978-2010年知识产出
通讯作者Guo, H , Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China.
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GB/T 7714
Guo, H,Zhou, R,Liu, YX,et al. Proton fraction in hot neutron star matter with a chiral hadronic model[J]. CHINESE PHYSICS LETTERS,2002,19(10):1432-1435.
APA Guo, H,Zhou, R,Liu, YX,&Guo, H , Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China..(2002).Proton fraction in hot neutron star matter with a chiral hadronic model.CHINESE PHYSICS LETTERS,19(10),1432-1435.
MLA Guo, H,et al."Proton fraction in hot neutron star matter with a chiral hadronic model".CHINESE PHYSICS LETTERS 19.10(2002):1432-1435.
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