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

页码：140 / 146

页数：7

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