Effective Potentials for Light Moduli

Details Effective Potentials for Light Moduli Effective Potentials for Light Moduli

2005-06-30

arxiv.org/abs/hep-th/0506266v3

Phys.Lett. B626 (2005) 223-229

Physics

High Energy Physics

High Energy Physics - Theory

Minor revisions, References added, Version to be published in PLB, 14 pages 3 figures

Scientific paper

10.1016/j.physletb.2005.08.096

We examine recent work on compactifications of string theory with fluxes, where effective potentials for light moduli have been derived after integrating out moduli that are assumed to be heavy at the classical level, and then adding non-perturbative (NP) corrections to the superpotential. We find that this two stage procedure is not valid and that the correct potential has additional terms. Althought this does not affect the conclusion of Kachru et al (KKLT) that the Kaehler moduli may be stabilized by NP effects, it can affect the detailed physics. In particular it is possible to get metastable dS minima without adding uplifting terms.

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