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The Energy-loss Rate of Neutrinos in the Urca Process of Strange Quark Matter in Weak and Ultra-strong Magnetic Fields
Zheng Xiaoping1; Liu Xuewen2; Kang Miao1; Yu Yunwei1; Zhou Xia1
2007
Source PublicationChinese Astronomy and Astrophysics
ISSN0275-1062
Volume31Issue:1Pages:1
AbstractThe influence of magnetic field on the energy-loss rate of neutrinos in the direct Urca process of quarks in the model of strange stars is investigated in this article. First, an improvement is made on the method of approximate calculation in the case of weak field, which can be extended to other processes of weak interactions. Then, a rigorous calculation is made for ultra-strong magnetic fields, of the energy-loss rate of neutrinos in the Urca process. The result shows that the emissivity strongly depends on the magnetic field, being directly proportional to the square of the magnetic field strength. More importantly, the dependence on temperature is different in the cases of strong and weak or null magnetic fields.
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/30150
Collection中国科学院紫金山天文台
Affiliation1.Institute of Astrophysics, Huazhong Normal University
2.中国科学院紫金山天文台
Recommended Citation
GB/T 7714
Zheng Xiaoping,Liu Xuewen,Kang Miao,et al. The Energy-loss Rate of Neutrinos in the Urca Process of Strange Quark Matter in Weak and Ultra-strong Magnetic Fields[J]. Chinese Astronomy and Astrophysics,2007,31(1):1.
APA Zheng Xiaoping,Liu Xuewen,Kang Miao,Yu Yunwei,&Zhou Xia.(2007).The Energy-loss Rate of Neutrinos in the Urca Process of Strange Quark Matter in Weak and Ultra-strong Magnetic Fields.Chinese Astronomy and Astrophysics,31(1),1.
MLA Zheng Xiaoping,et al."The Energy-loss Rate of Neutrinos in the Urca Process of Strange Quark Matter in Weak and Ultra-strong Magnetic Fields".Chinese Astronomy and Astrophysics 31.1(2007):1.
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