D-branes, B-fields and twisted K-theory
High Energy Physics - Theory
2014-11-18 v3 Differential Geometry
K-Theory and Homology
Abstract
In this note we propose that D-brane charges, in the presence of a topologically non-trivial B-field, are classified by the K-theory of an infinite dimensional C^*-algebra. In the case of B-fields whose curvature is pure torsion our description is shown to coincide with that of Witten.
Keywords
Cite
@article{arxiv.hep-th/0002023,
title = {D-branes, B-fields and twisted K-theory},
author = {P. Bouwknegt and V. Mathai},
journal= {arXiv preprint arXiv:hep-th/0002023},
year = {2014}
}
Comments
LaTeX2e, 11 pages. Some typos corrected, minor additions including one reference