Quantum Corrections to the Entropy of the Black Hole with a Global Monopole or a Cosmic String
JING Ji-liang
Institute of Physics, and Department of Physics, Hunan Normal University, Changsha 410081
Quantum Corrections to the Entropy of the Black Hole with a Global Monopole or a Cosmic String
JING Ji-liang
Institute of Physics, and Department of Physics, Hunan Normal University, Changsha 410081
关键词 ：
04.70.Dy ,
04.62.+v ,
97.60.Lf
Abstract ： The quantum corrections to the entropy of the static black holes with a global monopole or a cosmic string are studied by two methods: the brick wall and the Euclidean path integral. If we ignore the usual contribution from the vacuum surrounding the system, then the two approaches give the same results. The quantum corrections for the static black holes consist of two parts: One is quadratically divergent term which takes the geometric character. The other is a logarithmically divergent term which is not proportional to the horizon area. The renormalization of the quadratically and logarithmically divergent is also investigated.
Key words ：
04.70.Dy
04.62.+v
97.60.Lf
出版日期: 1997-07-01
:
04.70.Dy
(Quantum aspects of black holes, evaporation, thermodynamics)
04.62.+v
(Quantum fields in curved spacetime)
97.60.Lf
(Black holes)
引用本文:
JING Ji-liang. Quantum Corrections to the Entropy of the Black Hole with a Global Monopole or a Cosmic String[J]. 中国物理快报, 1997, 14(7): 495-498.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1997/V14/I7/495
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1997, Vol. 14 
