Strings in a PP-wave background compactified on T8 with twisted S1
Abstract
We study a torus-like compactification of type IIB maximally supersymmetric PP-wave background. As the most general case, we discuss a T8 compactification of all the transverse directions. A nontrivial structure of the isometry group requires an additional light-like compactification. This additional S1 fiber is twisted on the T8. We determine the spectrum of closed strings in this twisted torus background and compute the thermal partition function.
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