N=1 Supergravity and Maxwell superalgebras

preprint2014arXivOpen access

Abstract

We present the construction of the D=4D=4 supergravity action from the minimal Maxwell superalgebra sM4s\mathcal{M}_{4}, which can be derived from the osp(4∣1)\mathfrak{osp}\left( 4|1\right) superalgebra by applying the abelian semigroup expansion procedure. We show that N=1N=1, D=4D=4 pure supergravity can be obtained alternatively as the MacDowell-Mansouri like action built from the curvatures of the Maxwell superalgebra sM4s\mathcal{M}_{4}. We extend this result to all minimal Maxwell superalgebras type sMm+2s\mathcal{M}_{m+2}. The invariance under supersymmetry transformations is also analized.

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