Hassan Firouzjahi and Frédéric Leblond JCAP06(2003)003 doi:10.1088/1475-7516/2003/06/003
Hassan Firouzjahi1 and Frédéric Leblond1,2
Show affiliationsWe investigate solutions that are dynamically evolving between asymptotically de Sitter and asymptotically anti-de Sitter regions in the context of Einstein gravity coupled to general matter fields in d dimensions. We find evidence that there are no such solutions when the matter content of the theory is `reasonable', i.e., such that the weak energy condition is satisfied. We show that there exist solutions for which 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.
95.30.Sf Relativity and gravitation
Issue 06 (June 2003)
Received 15 May 2003, accepted for publication 23 May 2003
Published 12 June 2003
Hassan Firouzjahi and Frédéric Leblond JCAP06(2003)003
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