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N=2 Super-Higgs, N=1 Poincare' Vacua and Quaternionic Geometry

L. Andrianopoli, R. D'Auria, S. Ferrara, M. A. Lledo'

hep-tharXiv:hep-th/0212236

Abstract

In the context of N=2 supergravity we explain the occurrence of partial super-Higgs with vanishing vacuum energy and moduli stabilization in a model suggested by superstring compactifications on type IIB orientifolds with 3-form fluxes. The gauging of axion symmetries of the quaternionic manifold, together with the use of degenerate symplectic sections for special geometry, are the essential ingredients of the construction.

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