Off-shell higher spin N=2 supermultiplets in three dimensions

Sergei M. Kuzenko, Daniel X. Ogburn

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    Off-shell higher spin N=2 supermultiplets in three spacetime dimensions (3D) are presented in this paper. We propose gauge prepotentials for higher spin superconformal gravity and construct the corresponding gauge-invariant field strengths, which are proved to be conformal primary superfields. These field strengths are higher spin generalizations of the (linearized) N=2 super-Cotton tensor, which controls the superspace geometry of conformal supergravity. We also construct the higher spin extensions of the linearized N=2 conformal supergravity action. We provide two dually equivalent off-shell formulations for massless higher spin N=2 supermultiplets. They involve one and the same superconformal prepotential but differ in the compensators used. For the lowest superspin value 3/2, these higher spin series terminate at the linearized actions for the (1,1) minimal and w=-1 nonminimal N=2 Poincaré supergravity theories constructed in S. M. Kuzenko and G. Tartaglino-Mazzucchelli, arXiv:1109.0496. Similar to the pure 3D supergravity actions, their higher spin counterparts propagate no degrees of freedom. However, the massless higher spin supermultiplets are used to construct off-shell massive N=2 supermultiplets by combining the massless actions with those describing higher spin extensions of the linearized N=2 conformal supergravity. We also demonstrate that every higher spin super-Cotton tensor can be represented as a linear superposition of the equations of motion for the corresponding massless higher spin supermultiplet, with the coefficients being higher-derivative linear operators.

    Original languageEnglish
    Article number106010
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Issue number10
    Publication statusPublished - 21 Nov 2016


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