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Hawking radiation of Schwarzschild-de Sitter black hole

Zhang Li-Chun Hu Shuang-Qi Zhao Ren

Hawking radiation of Schwarzschild-de Sitter black hole

Zhang Li-Chun, Hu Shuang-Qi, Zhao Ren
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  • Abstract views:  3223
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  • Received Date:  14 December 2008
  • Accepted Date:  30 December 2008
  • Published Online:  20 October 2009

Hawking radiation of Schwarzschild-de Sitter black hole

  • 1. (1)山西大同大学理论物理研究所 大同 037009; (2)中北大学环境与安全工程系 太原 030051; (3)中北大学环境与安全工程系 太原 030051;山西大同大学理论物理研究所 大同 037009

Abstract: We extend the classical Damour-Ruffini method and discuss Hawking radiation in Schwarzschild -de Sitter black hole. Under the condition that the total energy of spacetime is conservative, considering the effect of radiation particle on the spacetime and the relevance between the black hole event horizon and cosmological horizon, we obtain the black hole radiation spectrum. The radiation spectrum is no longer a pure thermal spectrum. It is related to Bekenstein-Hawking entropy change corresponding to the black hole event horizon and cosmological horizon. The result is consistent with an underlying unitary theory.

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