Compactification with Flux on K3 and Tori

Abstract

We study compactifications of Type IIB string theory on a K3 \times T^2/Z_2 orientifold in the presence of RR and NS flux. We find the most general supersymmetry preserving, Poincare invariant, vacua in this model. All the complex structure moduli and some of the Kahler moduli are stabilised in these vacua. We obtain in an explicit fashion the restrictions imposed by supersymmetry on the flux, and the values of the fixed moduli. Some T-duals and Heterotic duals are also discussed, these are non-Calabi-Yau spaces. A superpotential is constructed describing these duals.

Discussion of susy breaking vacua significantly altered

References in corpus (6)

• New Supersymmetric String Compactifications
• Non-Kaehler String Backgrounds and their Five Torsion Classes
• Duality Twists, Orbifolds, and Fluxes
• Mirror Symmetry in Generalized Calabi-Yau Compactifications
• Geometric Model for Complex Non-Kaehler Manifolds with SU(3) Structure
• Heterotic Strings with Torsion

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