Path integral evaluation of Dbrane amplitudes
High Energy Physics - Theory
2009-10-31 v1
Abstract
We extend Polchinski's evaluation of the measure for the one-loop closed string path integral to open string tree amplitudes with boundaries and crosscaps embedded in Dbranes. We explain how the nonabelian limit of near-coincident Dbranes emerges in the path integral formalism. We give a careful path integral derivation of the cylinder amplitude including the modulus dependence of the volume of the conformal Killing group.
Keywords
Cite
@article{arxiv.hep-th/9907179,
title = {Path integral evaluation of Dbrane amplitudes},
author = {Shyamoli Chaudhuri},
journal= {arXiv preprint arXiv:hep-th/9907179},
year = {2009}
}
Comments
Extended version replacing hep-th/9903184, includes discussion of nonabelian limit, Latex, 10 pages