A Class of Exact Classical Solutions to String Theory

Details A Class of Exact Classical Solutions to String Theory A Class of Exact Classical Solutions to String Theory

2002-11-07

arxiv.org/abs/hep-th/0211062v1

Phys.Rev.Lett. 89 (2002) 281601

Physics

High Energy Physics

High Energy Physics - Theory

To appear in Phys. Rev. Letters

Scientific paper

10.1103/PhysRevLett.89.281601

We show that the recently obtained class of spacetimes for which all of the scalar curvature invariants vanish (which can be regarded as generalizations of pp-wave spacetimes) are exact solutions in string theory to all perturbative orders in the string tension scale. As a result the spectrum of the theory can be explicitly obtained, and these spacetimes are expected to provide some hints for the study of superstrings on more general backgrounds. Since these Lorentzian spacetimes suffer no quantum corrections to all loop orders they may also offer insights into quantum gravity.

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