de Sitter Spacetimes from Warped Compactifications of IIB String Theory

Berglund, P.; Hubsch, T.; Minic, D.

de Sitter Spacetimes from Warped Compactifications of IIB String Theory

Authors

Berglund, P.

Hubsch, T.

Minic, D.

Description

We continue our study of codimension two solutions of warped space-time varying compactifications of string theory. In this letter we discuss a non-supersymmetric solution of the classical type IIB string theory with de Sitter gravity on a codimension two uncompactified part of spacetime. A non-zero positive value of the cosmological constant is induced by the presence of non-trivial stringy moduli, such as the axion-dilaton system for the type IIB string theory. Furthermore, the naked singularity of the codimension two solution is resolved by the presence of a small but non-zero cosmological constant.
10 pages, LaTeX, references added and minor changes made