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Chin. Phys. B, 2008, Vol. 17(8): 2811-2816    DOI: 10.1088/1674-1056/17/8/011
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Thermal radiation and nonthermal radiation of the slowly changing dynamic Kerr--Newman black hole

Meng Qing-Miao(孟庆苗), Wang Shuai(王帅), Jiang Ji-Jian(蒋继建), and Deng De-Li(邓德力)
Department of Physics, Heze University, Heze 274015, China
Abstract  Using the related formula of dynamic black hole, we have calculated the instantaneous radiation energy density of the slowly changing dynamic Kerr--Newman black hole. It is found that the instantaneous radiation energy density of a black hole is always proportional to the quartic of the temperature of the event horizon in the same direction. By using the Hamilton--Jacobin equation of scalar particles in the curved spacetime, the spontaneous radiation of the slowly changing dynamic Kerr--Newman black hole is studied. The energy condition for the occurrence of the spontaneous radiation is obtained.
Keywords:  event horizon      thin film model      instantaneous radiation energy density      nonthermal radiation  
Received:  01 October 2007      Revised:  25 March 2008      Accepted manuscript online: 
PACS:  04.70.Dy (Quantum aspects of black holes, evaporation, thermodynamics)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10773002) and the Science Foundation of Heze University of China (Grant No XY06wl01).

Cite this article: 

Meng Qing-Miao(孟庆苗), Wang Shuai(王帅), Jiang Ji-Jian(蒋继建), and Deng De-Li(邓德力) Thermal radiation and nonthermal radiation of the slowly changing dynamic Kerr--Newman black hole 2008 Chin. Phys. B 17 2811

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