paper

-extended Maxwell supergravities as Chern-Simons theories in three spacetime dimensions

arXiv:1903.03081 · doi:10.1016/j.physletb.2019.03.060

Abstract

We present a new class of three-dimensional -extended supergravity theories based on the -extended Maxwell superalgebra with central charges and internal symmetry generators. The presence of generators is required in order to define a non-degenerate invariant inner product. Such symmetry allows us to construct an alternative supergravity action without cosmological constant term. Interestingly, the new theories can be obtained as a flat limit of a -extended AdS-Lorentz supergravity theories enlarged with gauge fields.

V2, 16 pages, reference added, accepted version in Physics Letters B

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$\mathcal{N}$-extended Maxwell supergravities as Chern-Simons theories in three spacetime dimensions · wovepaper