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Non-geometric fluxes in higher dimensions: I

Tuesday 26th June 2012 - 14:00 to 14:15
INI Seminar Room 1
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.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons