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Thermodynamics of the Schwarzchild-de Sitter black hole

Zhang Li-Chun Li Huai-Fan Zhao Ren

Thermodynamics of the Schwarzchild-de Sitter black hole

Zhang Li-Chun, Li Huai-Fan, Zhao Ren
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  • Abstract views:  4107
  • PDF Downloads:  1008
  • Cited By: 0
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  • Received Date:  19 March 2010
  • Accepted Date:  14 July 2010
  • Published Online:  15 December 2010

Thermodynamics of the Schwarzchild-de Sitter black hole

  • 1. Institute of Theoretical Physics, Department of Physics, Shanxi Datong University, Datong 037009, China

Abstract: Considering the fact that there is a correlation between the black hole horizon and cosmological horizon, we show that the thermodynamic entropy of de Sitter spacetime is the sum of thermodynamic entropies of the black hole horizon and cosmological horizon. The thermodynamic properties of de Sitter spacetime are also derived. It is shown that the upper limit energy of de Sitter spacetime is equal to the energy of pure de Sitter spacetime, The thermal capacity of de Sitter spacetime is negative, so de Sitter spacetime is mechanically unstable.

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