Near-Horizon Virasoro Symmetry and the Entropy of de Sitter Space in Any Dimension

Details Near-Horizon Virasoro Symmetry and the Entropy of de Sitter Space in Any Dimension Near-Horizon Virasoro Symmetry and the Entropy of de Sitter Space in Any Dimension

1999-01-27

arxiv.org/abs/hep-th/9901147v4

Phys.Lett. B453 (1999) 222-228

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, no figure. Add one reference and correct a minor typo in pp.6, no change was made in text

Scientific paper

10.1016/S0370-2693(99)00340-8

De Sitter spacetime is known to have a cosmological horizon that enjoys thermodynamic-like properties similar to those of a black hole horizon. In this note we show that a universal argument can be given for the entropy of de Sitter spacetime in arbitrary dimensions, by generalizing a recent near horizon symmetry plus conformal field theory argument of Carlip for black hole entropy. The implications of this argument are also discussed.

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