Horowitz-Strominger Black Hole Entropy Without Brick Wall

Chin. Phys. Lett.

2004, Vol. 21

Issue (6): 1009-1012 DOI:

Original Articles

Horowitz-Strominger Black Hole Entropy Without Brick Wall

ZHANG Li-Chun;ZHAO Ren;LIN Hai

Department of Physics, Yanbei Normal Institute, Datong 037000

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ZHANG Li-Chun, ZHAO Ren, LIN Hai 2004 Chin. Phys. Lett. 21 1009-1012

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Abstract A Horowitz-Strominger black hole is discussed through a new equation of state density motivated by the generalized uncertainty relation in quantum gravity. There is no burst in the last stage of emission from a Horowitz-Strominger black hole. When the new equation of state density is used to investigate the entropy of bosonic field and fermionic field outside the horizon of a static Horowitz-Strominger black hole, the divergence that appears in the brick-wall model is removed without any cutoff. The entropy proportional to the horizon area is derived from the contribution in the vicinity of the horizon.

Keywords: 04.70.Dy 97.60.Lf

Published: 01 June 2004

PACS:	04.70.Dy	(Quantum aspects of black holes, evaporation, thermodynamics)
	97.60.Lf	(Black holes)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I6/01009

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