Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-11-12
Phys.Lett. B529 (2002) 233-240
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, Latex
Scientific paper
10.1016/S0370-2693(02)01260-1
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.
Delduc Francois
Ivanov Evgeny
Krivonos Sergey
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