Introductory Lectures on Extended Supergravities and Gaugings

Abstract

In an ungauged supergravity theory, the presence of a \emph{scalar potential} is allowed only for the minimal $\mathbb{N}=1$ case. In extended supergravities, a non-trivial scalar potential can be introduced without explicitly breaking supersymmetry only through the so-called \emph{gauging procedure}. The latter consists in promoting a suitable global symmetry group to local symmetry to be gauged by the vector fields of the theory. Gauged supergravities provide a valuable approach to the study of superstring flux-compactifications and the construction of phenomenologically viable, string-inspired models. The aim of these lectures is to give a pedagogical introduction to the subject of gauged supergravities, covering just selected issues and discussing some of their applications.

arXiv comment81 pages, 5 figures. arXiv admin note: substantial text overlap with arXiv:1609.09745

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Cited by in corpus (15)

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