On T-folds, G-structures and Supersymmetry
arXiv:hep-th/0506092 · doi:10.1088/1126-6708/2006/05/071
Abstract
We describe how to calculate the amount of supersymmetry associated to a class of supergravity theories obtained by compactification on T-folds. We illustrate our discussion by calculating the degree of supersymmetry enjoyed by a particular set of massive supergravities which have been obtained in the literature by compactifying type II supergravity on such backgrounds. Our discussion involves a modification of the usual arguments, based upon G-structures, for the amount of supersymmetry preserved by geometric compactifications.
arXiv comment22 pages, References and some additional discussion added
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