Moduli Stabilization from Fluxes in a Simple IIB Orientifold
Shamit Kachru, Michael Schulz, Sandip Trivedi
Abstract
We study novel type IIB compactifications on the T6/Z2 orientifold. This geometry arises in the T-dual description of Type I theory on T6, and one normally introduces 16 space-filling D3-branes to cancel the RR tadpoles. Here, we cancel the RR tadpoles either partially or fully by turning on three-form flux in the compact geometry. The resulting (super)potential for moduli is calculable. We demonstrate that one can find many examples of N=1 supersymmetric vacua with greatly reduced numbers of moduli in this system. A few examples with N>1 supersymmetry or complete supersymmetry breaking are also discussed.
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