Ralph Blumenhagen, Xin Gao, Daniela Herschmann, Pramod Shukla
Some aspects of string compactifications with non-geometric fluxes are revisited in the light of recent progress in double field theory. After deriving the general form of these fluxes and analyzing their mutual consistency conditions, we consider the proposed flux induced four-dimensional effective superpotential and oxidize its induced scalar potential to terms in a ten-dimensional action. This analysis is performed independently for an explicit toroidal type IIA and its T-dual type IIB orientifold. We show that the result of this bottom-up approach is compatible with the gauged supergravity motivated flux formulation of the double field theory action in both the NS-NS and the R-R sector.
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http://arxiv.org/abs/1306.2761
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