Quantum Entropy of the Schwarzschild Black Hole due to Gravitational Perturbations

Chin. Phys. Lett.

2004, Vol. 21

Issue (6): 1006-1008 DOI:

Original Articles

Quantum Entropy of the Schwarzschild Black Hole due to Gravitational Perturbations

CHEN Song-Bai;JING Ji-Liang

Institute of Physics and Department of Physics, Hunan Normal University Changsha, Hunan 410081

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CHEN Song-Bai, JING Ji-Liang 2004 Chin. Phys. Lett. 21 1006-1008

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Abstract The quantum entropies of the Schwarzschild black hole arising from the axial and polar gravitational perturbations are investigated by using the‘brick-wall’model. It is shown that, although the axial and polar perturbational potentials have quite different forms, the black hole entropies due to both the gravitational perturbations are equivalent. We also find that the logarithmic correction, which can be expressed in the form ln(A_H/ε⁴), is 30 times larger than that of the scalar field.

Keywords: 04.70.Dy 04.62.+v 97.60.Lf

Published: 01 June 2004

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/Y2004/V21/I6/01006

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