On non-perturbative corrections to the Kahler potential

Details On non-perturbative corrections to the Kahler potential On non-perturbative corrections to the Kahler potential

1997-12-18

arxiv.org/abs/hep-ph/9712443v1

Phys.Rev. D57 (1998) 7354-7360

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTex, uses psfig.sty with 4 figures

Scientific paper

10.1103/PhysRevD.57.7354

We present the results of a detailed investigation into the consequences of adding specific string motivated non-perturbative corrections to the usual tree level Kahler potential in dilaton dominated scenarios. The success of the model is judged through our ability to obtain a realistic VEV for the dilaton < Re S > ~ 2, corresponding to the true minima of the scalar potential and being associated with a reasonable value for the SUSY breaking scale via the gravitino mass. The status of the so-called moduli problem is also reviewed in each of the ansatze studied. Those include previous proposals made in the context of both the chiral and the linear multiplet formalisms to describe gaugino condensation, and a new ansatz which shows explicitly the equivalence between the two.

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