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GENERALIZED UNCERTAINTY PRINCIPLE AND THE QUANTUM ENTROPY OF A KERR BLACK HOLE

CHEN LI

Department of Physics, Zhejiang Taizhou College, Linhai, Zhejing 317000, PR China

National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, PR China

School of Information and Electronics Engineering, Taizhou University, Taizhou, Zhejiang 317000, PR China

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LI XIANG

Department of Physics, Zhejiang Taizhou College, Linhai, Zhejing 317000, PR China

National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, PR China

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, and

YOU-GEN SHEN

Department of Physics, Zhejiang Taizhou College, Linhai, Zhejing 317000, PR China

National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, PR China

Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, PR China

CCAST (World Lab), P.O. Box 8730, Beijing, PR China

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https://doi.org/10.1142/S0218271804005146Cited by:3 (Source: Crossref)

Abstract

Taking into account the generalized uncertainty principle (GUP), we calculate the entropy of a scalar field in a Kerr spacetime. Different to previous work, we have used an new equation of the density of quantum states, which arises from the modified commutation relation . The divergence in the brick wall model is removed, without the cutoff.

Keywords:

PACS: 04.70.Dy, 98.80.Cq

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