On exact solutions and singularities in string theory

Details On exact solutions and singularities in string theory On exact solutions and singularities in string theory

1994-06-11

arxiv.org/abs/hep-th/9406067v2

Phys.Rev.D50:5204-5224,1994

Physics

High Energy Physics

High Energy Physics - Theory

45 pages, harvmac, Imperial/TP/93-94/38, NI94004 (minor corrections)

Scientific paper

10.1103/PhysRevD.50.5204

We construct two new classes of exact solutions to string theory which are not of the standard plane wave or gauged WZW type. Many of these solutions have curvature singularities. The first class includes the fundamental string solution, for which the string coupling vanishes near the singularity. This suggests that the singularity may not be removed by quantum corrections. The second class consists of hybrids of plane wave and gauged WZW solutions. We discuss a four dimensional example in detail.

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