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

TL;DR

This paper explores partial super-Higgs phenomena with zero vacuum energy and moduli stabilization within N=2 supergravity, using quaternionic geometry and flux compactifications from string theory.

Contribution

It introduces a novel mechanism combining quaternionic geometry and flux-induced gauging to achieve partial super-Higgs and moduli stabilization in N=2 supergravity.

Findings

Demonstrates partial super-Higgs with zero vacuum energy

Shows moduli stabilization via quaternionic gauging

Utilizes degenerate symplectic sections in special geometry

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.