paper

Supersymmetric World-volume Action for Non-BPS D-branes

arXiv:hep-th/9909062 · doi:10.1088/1126-6708/1999/10/008

Abstract

We construct the world-volume action for non-BPS D-branes in type II string theories. This action is invariant under all the unbroken supersymmetries in the bulk, but these symmetries are realised as spontaneously broken symmetries in the world-volume theory. Coupling of this action to background supergravity fields is straightforward. We also discuss the fate of the U(1) gauge field on the D-brane world-volume after tachyon condensation.

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