Gauged N=2 Supergravity and Partial Breaking of Extended Supersymmetry

Abstract

We review the general gauged N=2 supergravity coupled to an arbitrary number of vector multiplets and hypermultiplets. We consider two different models where N=2 supersymmetry is broken to N=1 spontaneously, one has a U(1) vector multiplet and the other has a U(N) vector multiplet. In both cases, partial breaking of N=2 supersymmetry is accomplished by the Higgs and the super-Higgs mechanisms. The mass spectrum can be evaluated and we conclude that the resulting models have N=1 supersymmetry. This is based on master thesis submitted to Graduate School of Science, Osaka City University, in March 2006.

arXiv comment70 pages. This paper is based on master thesis submitted to Osaka City University; v2: references added

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• Stable de Sitter Vacua in 4 Dimensional Supergravity Originating from 5 Dimensions
• Spontaneous Partial Breaking of N=2 Supersymmetry and the U(N) Gauge Model
• Low Energy Processes Associated with Spontaneously Broken N=2 Supersymmetry
• Interpolation of partial and full supersymmetry breakings in $\mathcal{N}=2$ supergravity
• Effective superpotential and partial breaking of N=2 supersymmetry
• SUSY/Non-SUSY Duality in U(N) Gauge Model with Partially Broken N=2 Supersymmetry