String loop corrected hypermultiplet moduli spaces
arXiv:hep-th/0602164 · doi:10.1088/1126-6708/2006/03/081
Abstract
Using constraints from supersymmetry and string perturbation theory, we determine the string loop corrections to the hypermultiplet moduli space of type II strings compactified on a generic Calabi-Yau threefold. The corresponding quaternion-Kahler manifolds are completely encoded in terms of a single function. The latter receives a one-loop correction and, using superspace techniques, we argue for the existence of a non-renormalization theorem excluding higher loop contributions.
39 pages, no figures, minor corrections, published version
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