Schwarzschild-de Sitter black hole from entropic viewpoint
arXiv:1011.3960 · doi:10.1142/S0217732311036450
Abstract
In a Schwarzschild-de Sitter space, we consider an equipotential surface which consists of two holographic screens. Adapting the Bousso-Hawking's reference point of vanishing force, we divide the space into two regions, which are from the reference point to each holographic screen. These two regions can be treated as independent thermodynamical systems, because the Bousso-Hawking reference point with zero temperature behaves like a thermally insulating wall. The entropy obtained in this way agrees with the conventional results; i) when the holographic screens lie at the black hole and cosmological horizons, ii) in the Nariai limit.
10 pages, 4 figures, the format of figure 2 changed to prevent printing delay
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- Thermodynamical features of Verlinde's approach for a non-commutative Schwarzschild-anti-deSitter black hole in a broad range of scales
- Brans-Dicke Gravity from Entropic Viewpoint
- Entropic force law in the presence of a noncommutative inspired spacetime for a solar system scale
- Surface tension of the horizon