paper

Rigid Supersymmetric Backgrounds of 3-dimensional Newton-Cartan Supergravity

arXiv:1512.04961 · doi:10.1007/JHEP06(2016)028

Abstract

Recently, a non-relativistic off-shell formulation of three dimensional Newton-Cartan supergravity was proposed as the limit of three dimensional supergravity in arXiv:1505.02095. In the present paper we study supersymmetric backgrounds within this theory. Using integrability constraints for the non-relativistic Killing spinor equations, we explicitly construct all maximally supersymmetric solutions, which admit four supercharges. In addition to these solutions, there are -BPS solutions with reduced supersymmetry. We give explicit examples of such backgrounds and derive necessary conditions for backgrounds preserving two supercharges. Finally, we address how supersymmetric backgrounds of supergravity are connected to the solutions found here in the limit.

26 pages + 2 appendices, 2 figures; v2: references added, clarified which N=2 supergravity theory is being considered; v3: reference added; added clarification and explicit solutions to relativistic integrability conditions

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