L algebras and tensor hierarchies in Exceptional Field Theory and Gauged Supergravity

Abstract

We show how the gauge and field structure of the tensor hierarchies in Double and E7(7) Exceptional Field Theory fits into L algebras. Special attention is paid to redefinitions, the role of covariantly constrained fields and intertwiners. The results are connected to Gauged Supergravities through generalized Scherk-Schwarz reductions. We find that certain gauging-dependent parameters generate trivial gauge transformations, giving rise to novel symmetries for symmetries that are absent in their ungauged counterparts.

A preprint version of the article is available at ArXiv.

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Cagnacci, Y., Codina, T. & Marques, D. L algebras and tensor hierarchies in Exceptional Field Theory and Gauged Supergravity. J. High Energ. Phys. 2019, 117 (2019). https://doi.org/10.1007/JHEP01(2019)117

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Keywords

  • Extended Supersymmetry
  • String Duality