A short tale from de Sitter space

Details A short tale from de Sitter space A short tale from de Sitter space

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..646..229l&link_type=abstract

THEORETICAL PHYSICS: MRST 2002: A Tribute to George Leibbrandt. AIP Conference Proceedings, Volume 646, pp. 229-234 (2002).

Physics

Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity, Conformal Field Theory, Algebraic Structures

Scientific paper

In the context of Einstein gravity coupled to matter in d dimensions, we investigate solutions that are dynamically evolving between de Sitter and anti-de Sitter regions. We demonstrate the existence of a no go theorem when the matter content of the theory is `reasonable', i.e., such that the weak energy condition holds. We find solutions when the energy conditions are violated in a finite region of the spacetime. We speculate on the holographic interpretation of these gravitational backgrounds by combining ideas from the AdS/CFT and the dS/CFT dualities.

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