paper

Rigid Supersymmetric Backgrounds of Minimal Off-Shell Supergravity

arXiv:1207.2785 · doi:10.1007/JHEP10(2012)034

Abstract

We discuss various aspects of rigid supersymmetry within minimal N=1 off-shell supergravity using the old and new minimal formulations both in Lorentzian and Euclidean signatures. In particular, we construct all rigid supersymmetry backgrounds with a hypersurface orthogonal Killing vector. In the Lorentzian signature we show that AdS_4 provides a rigid supersymmetric background in both formulations albeit with different amounts of preserved supersymmetry. In the Euclidean signature we find new backgrounds of the old-minimal supergravity, including squashed four-spheres and a half-BPS version of flat space.

40 pages: v2 References added, typos corrected

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