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题名: The influence of antikaon condensations on neutrino emissivity from neutron stars
作者: Ding, W. B. ;  Liu, G. Z. ;  Zhu, M. F. ;  Yu, Z. ;  Zhao, E. G.
刊名: ASTRONOMY & ASTROPHYSICS
出版日期: 2009
卷号: 506, 期号:2, 页码:L13-L16
关键词: DIRECT URCA PROCESS ;  MATTER ;  KAON
学科分类: Physics
通讯作者: Ding, WB , Jilin Univ, Ctr Theoret Phys, Changchun 130023, Peoples R China
部门归属: [Ding, WB; Liu, GZ; Zhu, MF; Yu, Z] Jilin Univ, Ctr Theoret Phys, Changchun 130023, Peoples R China; [Zhao, EG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Neutrino emissivity (IURCA) from the direct URCA (dURCA) process and the URCA processes with K(-) and (K) over bar (0) condensations are considered simultaneously in neutron star matter. The neutrino emissivity due to the dURCA process plays a dominant role. However, antikaon condensations change the chemical potential of electrons, the effective masses of nucleons and the matrix elements of the reaction for the dURCA process. These changes make the neutrino emissivity for the dURCA process decrease. In this case, with antikaon condensations the total neutrino emissivity becomes lower. We believe that antikaon condensations are unfavorable for fast cooling of neutron stars.
资助者: National Natural Science Foundation of China[10275029, 10675054]; National Fundamental Fund Project Subsidy Funds of Personnel Training[J0730311]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000271374800004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5218
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Ding, W. B.,Liu, G. Z.,Zhu, M. F.,et al. The influence of antikaon condensations on neutrino emissivity from neutron stars[J]. ASTRONOMY & ASTROPHYSICS,2009,506(2):L13-L16.
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