Boson entropy in the NUT-Kerr-Newman black holes in the background of de Sitter space-timet

被引：2
|
作者：
Ge, XH [1 ]
Shen, YG
机构：
[1] Chinese Acad Sci, Astron Observ, Shanghai 200030, Peoples R China
[2] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
来源：
CHINESE ASTRONOMY AND ASTROPHYSICS | 2003年 / 27卷 / 02期
关键词：
blackhole physics;
D O I：
10.1016/S0275-1062(03)00034-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is well known that the Euler characteristic number of most black holes is 2 (or 0), and that only NUT-Kerr-Newman black holes' Euler characteristic number is over 2. Therefore, it is significant to calculate the entropy in the NUT-Kerr-Newman black holes. In this paper, we calculated the entropy of boson field in the NUT-Kerr-Newman black holes in the background of the de Sitter space-time by using the improved membrane model established with the brick-wall method. The results show that if the cut-off is properly chosen, the entropy in the black holes still satisfies the Bekenstein-Hawking area law.
引用
收藏
页码：140 / 146
页数：7
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