Thermodynamical quantities around a RNAdS black hole
Mi Li-Qin (米丽琴)a, Li Zhong-Heng (黎忠恒)ab
a Department of Physics, Zhanjiang Normal College, Zhanjiang 524048, China; b Department of Physics, Zhejiang University of Technology, Hangzhou 310032, China
Abstract The entropy density, energy density, pressure and equation of state around the RNAdS black hole are calculated in the WKB approximation on the Teukolsky-type master equation. The appearance of spin-dependent terms is demonstrated. The existence of these terms shows that the black hole radiation is not exactly thermal radiation and the black hole entropy is not strictly proportional to the area of the event horizon.
Received: 08 October 2005
Revised: 18 December 2005
Accepted manuscript online:
PACS:
04.70.Dy
(Quantum aspects of black holes, evaporation, thermodynamics)
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