paper

Virtual D-Branes

arXiv:hep-th/9605168 · doi:10.1016/0370-2693(96)00806-4

Abstract

Using a formalism developed to include collective coordinates, we calculate the contributions to S-matrix elements due to off-shell D-branes in a string coupling expansion. The formalism is further used to establish a two-dimensional computation of higher order corrections to the D-brane tension, both for the bosonic and the supersymmetric cases.

9 pages, 6 figures; uses harvmac and epsf

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