2001/01/31 by Bin Wang, Elcio Abdalla, Ru-Keng Su · 1 citation
Physics and Astronomy · #hep-th
paper · pdf · doi:10.1016/s0370-2693(01)00237-4
published as Phys.Lett. B503 (2001) 394-398 · 11 pages, Latex file, References added. New version to be published in Phys. Lett. B
arxiv created 2001/02/08 · arxiv updated 2009/11/30
A relation between the Friedmann equation and the Cardy formula has been found for de Sitter closed and Anti de Sitter flat universes. For the remaining (Anti) de Sitter universes the arguments fail, and we speculate whether the general philosophy of holography can be satisfied in such contents.