Quantum Spectrum of Stationary Axisymmetric Einstein--Maxwell Dilaton--Axion Black Hole
WANG Jin, JING Ji-Liang
Department of Physics and Institute of Physics, Hunan Normal University, Changsha 410081
Quantum Spectrum of Stationary Axisymmetric Einstein--Maxwell Dilaton--Axion Black Hole
WANG Jin;JING Ji-Liang
Department of Physics and Institute of Physics, Hunan Normal University, Changsha 410081
关键词 ：
04.70.-s ,
04.70.Dy ,
04.20.Cv ,
97.60.Lf
Abstract ： The horizon area spectrum of a stationary axisymmetric Einstein--Maxwell Dilaton--Axion (EMDA) black hole is studied by using Gour--Medved’s method. It is found that the quantized area operator can be expressed in terms of two quantum numbers, i.e. A=8πħ(1/2+n+l), where n and l are strictly non-negative integers and related respectively to the mass and angular momentum. The result shows that there is qualitatively a property difference between the quantum spectrum of the EMDA black hole which obtained from string theory and the one of the Kerr--Newman black hole which obtained from general relativity, although both they are characterized by mass, angular momentum and charge.
Key words ：
04.70.-s
04.70.Dy
04.20.Cv
97.60.Lf
出版日期: 2005-11-01
:
04.70.-s
(Physics of black holes)
04.70.Dy
(Quantum aspects of black holes, evaporation, thermodynamics)
04.20.Cv
(Fundamental problems and general formalism)
97.60.Lf
(Black holes)
引用本文:
WANG Jin;JING Ji-Liang. Quantum Spectrum of Stationary Axisymmetric Einstein--Maxwell Dilaton--Axion Black Hole[J]. 中国物理快报, 2005, 22(11): 2766-2768.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I11/2766
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