Fluxes, supersymmetry breaking and gauged supergravity

Abstract

We report on the gauged supergravity interpretation of certain compactifications of superstring theories with p-form fluxes turned on. We discuss in particular the interplay of duality symmetries in type IIB orientifolds and gauged isometries in the corresponding supergravity models. Turning on fluxes is generally described by the gauging of some nilpotent Lie group whose generators correspond to axion symmetries of R-R and N-S scalars.

arXiv commentContribution to the proceedings of ``Sugra20'' Conference, Department of Physics, Northeastern University, Boston (Ma) 02115 USA; March 2003

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