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Extended $D=3$ Bargmann supergravity from a Lie algebra expansion
Published 29 Apr 2019 in hep-th, gr-qc, math-ph, and math.MP | (1904.12786v2)
Abstract: In this paper we show how the method of Lie algebra expansions may be used to obtain, in a simple way, both the extended Bargmann Lie superalgebra and the Chern-Simons action associated to it in three dimensions, starting from $D=3$, $\mathcal{N}=2$ superPoincar\'e and its corresponding Chern-Simons supergravity.
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