Gauged extended supergravity without cosmological constant: no-scale structure and supersymmetry breaking

TL;DR

This paper explores how duality symmetries and gauged isometries influence the structure and supersymmetry breaking in extended supergravity models, with insights motivated by string and M-theory compactifications.

Contribution

It analyzes the no-scale structure and supersymmetry breaking mechanisms in gauged extended supergravity without a cosmological constant, providing new examples inspired by string theory.

Findings

Identification of duality and gauged isometry roles in supergravity

Examples motivated by string and M-theory compactifications

Insights into no-scale structure and supersymmetry breaking

Abstract

We consider the interplay of duality symmetries and gauged isometries of supergravity models giving N-extended, spontaneously broken supergravity with a no-scale structure. Some examples, motivated by superstring and M-theory compactifications are described.