A NoGo Theorem for de Sitter Compactifications?
Abstract
A general framework for studying compactifications in supergravity and string theories was introduced by Candelas, Horowitz, Strominger and Witten^{1}. This was further generalised to take into account the warp factor by de Wit, Smit and Hari Dass^{2}. Though the prime focus of the latter was to find solutions with nontrivial warp factors (shown not to exist under a variety of circumstances), it was shown there that de Sitter compactifications are generically disfavoured (see also^{3}). In this note we place these results in the context of a revived interest in de Sitter spacetimes.
 Publication:

Modern Physics Letters A
 Pub Date:
 2002
 DOI:
 10.1142/S0217732302007557
 arXiv:
 arXiv:hepth/0205056
 Bibcode:
 2002MPLA...17.1001H
 Keywords:

 High Energy Physics  Theory
 EPrint:
 11 pages in LATEX. Contribution to the "First IUCAA meeting on the Interface of Gravitational and Quantum Realms", Pune, Dec 2001. To appear in Modern Physics Letters A