Runaway in the Landscape

Details Runaway in the Landscape Runaway in the Landscape

2007-06-05

arxiv.org/abs/0706.0514v1

Phys.Rev.D76:106002,2007

Physics

High Energy Physics

High Energy Physics - Theory

26 pages

Scientific paper

10.1103/PhysRevD.76.106002

We consider flux compactifications of type IIB string theory on the mirror of a rigid Calabi-Yau. In special cases, these models are dual to the type IIA flux vacua with runaway direction in flux space. We show that new weak coupling AdS solutions can be found for large complex structure, while Minkowski solutions with all moduli stabilized are confined to be at strong coupling. The existence of these solutions, as found in a previous work, is nevertheless guaranteed by a non-renormalization theorem of the type IIB flux superpotential. Based on our results, we are led to the conjecture that supersymmetric runaway directions in flux space are always accompanied by a spectrum of moduli masses reaching down to the AdS scale. This could be violated in a non-supersymmetric situation.

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