Geometric Aspects of D-branes and T-duality

2009/08/31 by Katrin Becker, Aaron Bergman · 1 citation
Physics and Astronomy · #hep-th

paper · pdf · doi:10.1088/1126-6708/2009/11/067

published as JHEP 0911:067,2009 · 26 pages, JHEP format, uses dcpic.sty; v2: references added, v3: minor changes

arxiv created 2009/09/13 · arxiv updated 2009/12/01

Abstract

We explore the differential geometry of T-duality and D-branes. Because D-branes and RR-fields are properly described via K-theory, we discuss the (differential) K-theoretic generalization of T-duality and its application to the coupling of D-branes to RR-fields. This leads to a puzzle involving the transformation of the A-roof genera in the coupling.

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