Duality invariant M-theory: gauged supergravities and Scherk-Schwarz reductions
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- Berman, D.S., Musaev, E.T. & Thompson, D.C. J. High Energ. Phys. (2012) 2012: 174. doi:10.1007/JHEP10(2012)174
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We consider the reduction of the duality invariant approach to M-theory by a U-duality group valued Scherk-Schwarz twist. The result is to produce potentials for gauged supergravities that are normally associated with non-geometric compactifications. The local symmetry reduces to gauge transformations with the gaugings exactly matching those of the embedding tensor approach to gauged supergravity. Importantly, this approach now includes a nontrivial dependence of the fields on the extra coordinates of the extended space.