The Effects of δ Meson on the Neutron Star Cooling

被引：5

作者：

Xu Yan ^{[1
]}

Liu Guangzhou ^{[1
]}

Wu Yaorui ^{[1
]}

Zhu Mingfeng ^{[1
]}

Yu Zi ^{[2
]}

Wang Hongyan ^{[1
]}

Zhao Enguang ^{[3
]}

机构：

[1] Jilin Univ, Ctr Theoret Phys, Changchun 130023, Peoples R China

[2] Nanjing Forestry Univ, Coll Sci, Nanjing 210037, Jiangsu, Peoples R China

[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China

来源：

PLASMA SCIENCE & TECHNOLOGY | 2012年 / 14卷 / 05期

基金：

中国国家自然科学基金;

关键词：

neutron star; direct Urca processes; delta meson; proton superfluidity; DIRECT URCA PROCESSES;

D O I：

10.1088/1009-0630/14/5/06

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In the framework of the relativistic mean field theory, the isovector scalar interaction is considered by exchanging delta meson to study the influence of delta meson on the cooling properties of neutron star matter. The calculation results show that with the inclusion of delta meson, the neutrino emissivity of the direct Urca processes increases, and thus enhances the cooling of neutron star matter. When strong proton superfluidity is considered, the theoretical cooling curves agree with the observed thermal radiation for isolated neutron stars.

引用

页码：375 / 378

页数：4

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