Non-Geometric Fluxes in Supergravity and Double Field Theory

Details Non-Geometric Fluxes in Supergravity and Double Field Theory Non-Geometric Fluxes in Supergravity and Double Field Theory

2012-04-09

arxiv.org/abs/1204.1979v1

Physics

High Energy Physics

High Energy Physics - Theory

43 pages

Scientific paper

In this paper we propose ten-dimensional realizations of the non-geometric fluxes Q and R. In particular, they appear in the NSNS Lagrangian after performing a field redefinition that takes the form of a T-duality transformation. Double field theory simplifies the computation of the field redefinition significantly, and also completes the higher-dimensional picture by providing a geometrical role for the non-geometric fluxes once the winding derivatives are taken into account. The relation to four-dimensional gauged supergravities, together with the global obstructions of non-geometry, are discussed.

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