Generalized Uncertainty Principle and the Quantum Entropy of Rotating Black Hole

Chin. Phys. Lett.

2007, Vol. 24

Issue (9): 2497-2500 DOI:

Original Articles

Generalized Uncertainty Principle and the Quantum Entropy of Rotating Black Hole

SHU Fu-Wen^1,3,4;SHEN You-Gen ^1,2,3

¹Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030²National Astronomical Observatories, Chinese Academy of Sciences,Beijing 100012³Joint Institute for Galaxy and Cosmology of SHAO and USTC, Shanghai 200030⁴Graduate School of the Chinese Academy of Sciences, Beijing 100049

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SHU Fu-Wen, SHEN You-Gen 2007 Chin. Phys. Lett. 24 2497-2500

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Abstract The entropy of rotating Kerr--Newman--Kasuya black hole due to massive
charged fields (bosons and fermions) is calculated by using the new equation of state density motivated by the generalized uncertainty relation. The result shows the entropy does not depend on the mass and the charge but the parameter λ, the area A and the spin of the fields. Moreover, an improved approximation is provided to calculate the scalar entropy.

Keywords: 04.70.Dy 98.80.Cq

Received: 09 April 2007 Published: 16 August 2007

PACS:	04.70.Dy	(Quantum aspects of black holes, evaporation, thermodynamics)
	98.80.Cq	(Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.))

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