N=2 supersymmetric higher spin gauge theories and current multiplets in three dimensions

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We describe several families of primary linear supermultiplets coupled to three-dimensional N=2 conformal supergravity and use them to construct topological BF-type terms. We introduce conformal higher-spin gauge superfields and associate with them Chern-Simons-type actions that are constructed as an extension of the linearized action for N=2 conformal supergravity. These actions possess gauge and super-Weyl invariance in any conformally flat superspace and involve a higher-spin generalization of the linearized N=2 super-Cotton tensor. For massless higher-spin supermultiplets in (1,1) anti-de Sitter (AdS) superspace, we propose two off-shell Lagrangian gauge formulations, which are related to each other by a duality transformation. Making use of these massless theories allows us to formulate consistent higher-spin supercurrent multiplets in (1,1) AdS superspace. Explicit examples of such supercurrent multiplets are provided for models of massive chiral supermultiplets. Off-shell formulations for massive higher-spin supermultiplets in (1,1) AdS superspace are proposed.

Original languageEnglish
Article number125004
JournalPhysical Review D
Issue number12
Publication statusPublished - 15 Dec 2018


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