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Entropy Conservation in the Transition of Schwarzschild-de Sitter Space to de Sitter Space through Tunneling |
| ZHANG Bao-Cheng1,2, CAI Qing-Yu1, ZHAN Ming-Sheng1,2 |
1State Key Laboratory of Magnetic Resonances and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
2Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071 |
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ZHANG Bao-Cheng, ZHAN Ming-Sheng, CAI Qing-Yu 2012 Chin. Phys. Lett. 29 020401 |
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Abstract We revisit Parikh–Wilczek tunneling through the de Sitter horizon and obtain the tunneling rate in Schwarzschild-de Sitter space, which is non-thermal and closely related to the change of entropy. We discuss the thermodynamics of Schwarzschild-de Sitter space and show existence of correlation which can ensure conservation of the total entropy in the transition process of Schwarzschild-de Sitter space to de Sitter space. The correlation and the conserved entropy provide a way to explain the entropy in empty de Sitter space.
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04.70.Dy
04.60.-m
97.60.Lf
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Received: 13 September 2011
Published: 11 March 2012
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| PACS: |
04.70.Dy
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(Quantum aspects of black holes, evaporation, thermodynamics)
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04.60.-m
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(Quantum gravity)
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97.60.Lf
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(Black holes)
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