Non-geometric fluxes as supergravity backgrounds
arXiv:0704.3272 · doi:10.1103/PhysRevD.76.041901
Abstract
We consider examples of D=4 string theory vacua which, although globally non-geometric, admit a local description in terms of D=10 supergravity backgrounds. We analyze such backgrounds and find that the supersymmetry spinors vary non-trivially along the internal manifold, reproducing the interpolating supergravity solutions found by Frey and Grana. Finally, we propose a simple, local expression for non-geometric fluxes in terms of the internal spinors of the compactification.
5 pages. Further typos corrected
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