Duality rotations in supersymmetric nonlinear electrodynamics revisited

Abstract

We revisit the U(1) duality-invariant nonlinear models for N=1 and N=2 vector multiplets coupled to off-shell supergravities. For such theories we develop new formulations which make use of auxiliary chiral superfields (spinor in the N=1 case and scalar for N=2) and are characterized by the remarkable property that U(1) duality invariance is equivalent to the manifest U(1) invariance of the self-interaction. Our construction is inspired by the non-supersymmetric approach that was proposed by Ivanov and Zupnik a decade ago and recently re-discovered in the form of twisted self-duality.

22 pages. V2: references and comments added

References in corpus (2)

• 4D N = 2 Supergravity and Projective Superspace
• On duality symmetry in perturbative quantum theory

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