Stacks and D-Brane Bundles

Abstract

In this paper we describe explicitly how the twisted ``bundles'' on a D-brane worldvolume in the presence of a nontrivial B field, can be understood in terms of sheaves on stacks. We also take this opportunity to provide the physics community with a readable introduction to stacks and generalized spaces.

arXiv comment24 pages, LaTeX; v2: references added

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