D-branes, B-fields and twisted K-theory

Details D-branes, B-fields and twisted K-theory D-branes, B-fields and twisted K-theory

2000-02-02

arxiv.org/abs/hep-th/0002023v3

JHEP 0003 (2000) 007

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX2e, 11 pages. Some typos corrected, minor additions including one reference

Scientific paper

10.1088/1126-6708/2000/03/007

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.

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