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Forms and algebras in (half-)maximal supergravity theories

Journal of High Energy Physics volume 2015, Article number: 32 (2015) Cite this article

A preprint version of the article is available at arXiv.

Abstract

The forms in D-dimensional (half-)maximal supergravity theories are discussed for 3 ≤ D ≤ 11. Superspace methods are used to derive consistent sets of Bianchi identities for all the forms for all degrees, and to show that they are soluble and fully compatible with supersymmetry. The Bianchi identities determine Lie superalgebras that can be extended to Borcherds superalgebras of a special type. It is shown that any Borcherds superalgebra of this type gives the same form spectrum, up to an arbitrary degree, as an associated Kac-Moody algebra. For maximal supergravity up to D-form potentials, this is the very extended Kac-Moody algebra E 11. It is also shown how gauging can be carried out in a simple fashion by deforming the Bianchi identities by means of a new algebraic element related to the embedding tensor. In this case the appropriate extension of the form algebra is a truncated version of the so-called tensor hierarchy algebra.

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  1. Department of Mathematics, King’s College London, The Strand, London, WC2R 2LS, U.K.

    Paul Howe

  2. Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, TX, 77843, U.S.A.

    Jakob Palmkvist

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Howe, P., Palmkvist, J. Forms and algebras in (half-)maximal supergravity theories. J. High Energ. Phys. 2015, 32 (2015). https://doi.org/10.1007/JHEP05(2015)032

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Keywords

  • Supersymmetry and Duality
  • Extended Supersymmetry
  • Superspaces
  • Supergravity Models