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Plane Wave Type II* String Backgrounds

Harvendra Singh

hep-tharXiv:hep-th/0405193

Abstract

In this note we aim to study plane-wave limits of the solutions of type II* superstring theories. We consider Freund-Rubin type dS5× H5 solutions of type IIB* theory and obtain a new kind of plane-wave solutions, we refer them as de Sitter plane-waves or Dpp-waves. Considering Hull's time-like T-duality we are able to map the Dpp wave solution to maximally supersymmetric Hpp-wave in IIB string theory and vice-versa.

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