Supersymmetry breaking and weakly vs. strongly coupled string theory

Details Supersymmetry breaking and weakly vs. strongly coupled string theory Supersymmetry breaking and weakly vs. strongly coupled string theory

1997-02-13

arxiv.org/abs/hep-th/9702105v1

Phys.Lett. B412 (1997) 288-295

Physics

High Energy Physics

High Energy Physics - Theory

LATEX, 15 pages

Scientific paper

10.1016/S0370-2693(97)00989-1

In the context of the field theory limit of superstrings, we consider an almost realistic model of supersymmetry breaking by gaugino condensation which includes, through nonperturbative corrections to the K\"ahler potential, dilaton stabilization at a value compatible with a weak coupling regime. Invariance under modular transformations is ensured through a Green-Schwarz term and string threshold corrections, which lead to moduli stabilization at the self-dual point. We are thus in a position to discuss several issues of physical relevance: gravitino, dilaton and moduli masses, axion, soft supersymmetry breaking parameters and gauge coupling unification.

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