Partial Supersymmetry Breaking and AdS4 Supermembrane

Abstract

We consider partial spontaneous breaking of N=1 AdS4 supersymmetry OSp(1|4) down to N=1, d=3 Poincare supersymmetry in the nonlinear realizations framework. We construct the corresponding worldvolume Goldstone superfield action and show that it describes the N=1 AdS4 supermembrane. It enjoys OSp(1|4) supersymmetry realized as a field-dependent modification of N=1, d=3 superconformal symmetry and goes into the superfield action of ordinary N=1, D=4 supermembrane in the flat limit. Its bosonic core is the Maldacena-type conformally invariant action of the AdS4 membrane. We show how to reproduce the latter action within a nonlinear realization of the AdS4 group SO(2,3). The same universal nonlinear realizations techniques can be used to construct conformally-invariant worldvolume actions for (d-2)-branes in generic AdSd spaces.

14 pages, Latex

References in corpus (3)

• Superbranes and Super Born-Infeld Theories from Nonlinear Realizations
• Partial spontaneous breaking of two-dimensional supersymmetry
• Nonlinear Realization of Partially Broken N=2 AdS Supersymmetry in Two and Three Dimensions

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