5D supergravity and projective superspace

Sergei M. Kuzenko, Gabriele Tartaglino-Mazzucchelli

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

This paper is a companion to our earlier work [1] in which the projective superspace formulation for matter-coupled simple supergravity in five dimensions was presented. For the minimal multiplet of 5D N = 1 supergravity introduced by Howe in 1981, we give a complete solution of the Bianchi identities. The geometry of curved superspace is shown to allow the existence of a large family of off-shell supermultiplets that can be used to describe supersymmetric matter, including vector multiplets and hypermultiplets. We formulate a manifestly locally supersymmetric action principle. Its natural property turns out to be the invariance under so-called projective transformations of the auxiliary isotwistor variables. We then demonstrate that the projective invariance allows one to uniquely restore the action functional in a Wess-Zumino gauge. The latter action is well-suited for reducing the supergravity-matter systems to components.
Original languageEnglish
Pages (from-to)ARTN 004
JournalJournal of High Energy Physics
Volume2008
Issue number2
DOIs
Publication statusPublished - 2008

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