dS/CFT correspondence on a brane

Details dS/CFT correspondence on a brane dS/CFT correspondence on a brane

2001-11-09

arxiv.org/abs/hep-th/0111085v2

JHEP 0202 (2002) 045

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, 1 figure, v2 references added

Scientific paper

10.1088/1126-6708/2002/02/045

We study branes moving in an AdS Schwarzschild black hole background. When the brane tension exceeds a critical value, the induced metric on the brane is of FRW type and asymptotically de Sitter. We discuss the relevance of such configurations to dS/CFT correspondence. When the black hole mass reaches a critical value that depends on the brane tension, the brane interpolates in the infinite past and future between a dS space and a finite space of zero Hubble constant. This corresponds to a cosmological evolution without a Big Bang or a Big Crunch. Moreover, the central charge of the CFT dual to the dS brane enters the Cardy-Verlinde formula that gives the entropy of the thermal CFT dual to the bulk AdS black hole.

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