Chin. Phys. Lett.  2001, Vol. 18 Issue (3): 331-333    DOI:
Original Articles |
Statistical Entropy of the Kaluza-Klein Black Hole from the Horizon Conformal Field Theory
JING Ji-Liang1,2;YAN Mu-Lin2
1Institute of Physics and Department of Physics, Hunan Normal University, Changsha 410081 2Department of Astronomy and Applied Physics, University of Science and Technology of China, Hefei 230026
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JING Ji-Liang, YAN Mu-Lin 2001 Chin. Phys. Lett. 18 331-333
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Abstract The statistical entropy of the Kaluza-Klein black hole is studied by counting the black hole states which form an algebra of diffeomorphism at Killing horizon with a central charge. It is shown that the entropy yielded by the standard Cardy formula agrees with the Bekenstein-Hawking entropy only if we take period T of function u as the periodicity of the Euclidean black hole. On the other hand, the first-order quantum correction to the entropy is proportional to logarithm of the Bekenstein-Hawking entropy with a factor -1/2.
Keywords: 04.70.Dy      04.62.+v      97.60.Lf     
Published: 01 March 2001
PACS:  04.70.Dy (Quantum aspects of black holes, evaporation, thermodynamics)  
  04.62.+v (Quantum fields in curved spacetime)  
  97.60.Lf (Black holes)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I3/0331
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