Superworldvolume dynamics of superbranes from nonlinear realizations

Abstract

Based on the concept of the partial breaking of global supersymmetry (PBGS), we derive the worldvolume superfield equations of motion for $N=1,D=4$ supermembrane, as well as for the space-time filling D2- and D3-branes, from nonlinear realizations of the corresponding supersymmetries. We argue that it is of no need to take care of the relevant automorphism groups when being interested in the dynamical equations. This essentially facilitates computations. As a by-product, we obtain a new polynomial representation for the $d=3,4$ Born-Infeld equations, with merely a cubic nonlinearity.

11 pages, LaTeX, Accepted in Phys. Lett. B, PACS: 11.17+y,11.30.Pb

References in corpus (2)

• Automorphisms, Non-linear Realizations and Branes
• Diverse PBGS Patterns and Superbranes

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