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Non-geometric fluxes in higher dimensions: I

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Mathematics and Applications of Branes in String and M-theory

Non-geometric fluxes appear in four-dimensional gauged supergravities through specific terms in the potential. These terms are of phenomenological interest for the matters of moduli stabilization or de Sitter solutions. Unfortunately, their ten-dimensional origin, and their relation to non-geometry, remain unclear. In this talk, I will present recent progress on these questions. Thanks to a field redefinition in ten-dimensional supergravity, one makes the non-geometric Q and R fluxes appear, and additionally restores a standard notion of geometry. A dimensional reduction can then be performed, and the four-dimensional non-geometric terms of the scalar potential are recovered.

This talk is part of the Isaac Newton Institute Seminar Series series.

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