The uniqueness of hypergravity
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Publication:2292526
DOI10.1007/JHEP11(2019)115zbMATH Open1429.83072arXiv1905.04109MaRDI QIDQ2292526
Author name not available (Why is that?)
Publication date: 3 February 2020
Published in: (Search for Journal in Brave)
Abstract: We show that consistent interactions of a spin-2 and a higher-spin Majorana fermion gauge fields in 3D flat space lead uniquely to Aragone-Deser hypergravity or its generalization. Our analysis employs the BRST-cohomological techniques, and works in the metric-like formulation under the assumptions of locality, parity and Poincar'e invariance. Local hypersymmetry shows up as the unique consistent deformation of the gauge transformations. An extension of the theory with fermion flavors does not change these features, while a cosmological deformation becomes obstructed in the absence of other degrees of freedom and/or non-locality.
Full work available at URL: https://arxiv.org/abs/1905.04109
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