De-singularization by rotation

Abstract

We consider certain BPS supergravity solutions of string theory which have singularities and we show that the singularity goes away when we add angular momentum. These smooth solutions enable us to obtain {\it global} $Ad{S}_3$ as the near horizon geometry of a BPS brane system in an asymptotically flat space.

harvmac. 2 figures. v2,3,4: References added, typos corrected

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