Off-shell unimodular N=1, d=4 supergravity

Abstract

We formulate a unimodular N=1, d=4 supergravity theory off shell. We see that the infinitesimal Grassmann parameters defining the unimodular supergravity transformations are constrained and show that the conmutator of two infinitesinal unimodular supergravity transformations closes on transverse diffeomorphisms, Lorentz transformations and unimodular supergravity transformations. Along the way, we also show that the linearized theory is a supersymmetric theory of gravitons and gravitinos. We see that de Sitter and anti-de Sitter spacetimes are non-supersymmetric vacua of our unimodular supergravity theory.

23 pages, no figures

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• A note on unimodular $N=1,d=4$ AdS supergravity
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• The quantum dynamics of Lagrange multipliers
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• Unimodular Gauge and ADM Gravity Path Integral
• Towards a Nicolai map for supergravity