Quantum modified moduli spaces and field dependent gauge couplings

Details Quantum modified moduli spaces and field dependent gauge couplings Quantum modified moduli spaces and field dependent gauge couplings

1998-03-18

arxiv.org/abs/hep-th/9803143v1

Nucl.Phys. B533 (1998) 163-180

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, Latex

Scientific paper

10.1016/S0550-3213(98)00498-2

In this paper we discuss quantum modified moduli spaces in supergravity. We examine a model suggested by Izawa and Yanagida and by Intriligator and Thomas that breaks global supersymmetry by a quantum deformation of the classical moduli space. We determine the minimum of the supergravity potential when the gauge coupling is taken to depend on a dynamical field, typically a modulus of string theory. We find that the only minimum is at the trivial configuration of vanishing coupling constant and unbroken supersymmetry. We also discuss models involving more complicated superpotentials and find that the gauge coupling is only stabilized in a supersymmetric ground state.

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