A note on the torsion dependence of D-brane RR couplings

Details A note on the torsion dependence of D-brane RR couplings A note on the torsion dependence of D-brane RR couplings

2000-10-04

arxiv.org/abs/hep-th/0010022v3

Phys.Lett. B504 (2001) 47-54

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTex, no figures; v2: footnote 2 modified, references and preprint number added; v3: version to appear in Phys.Lett

Scientific paper

10.1016/S0370-2693(01)00267-2

The dependence on the torsion H=db of the Wess-Zumino couplings of D-branes that are trivially embedded in space-time is studied. We show that even in this simple set-up some torsion components can be turned on, with a non-trivial effect on the RR couplings. In the special cases in which either the tangent or the normal bundle are trivial, the torsion dependence amounts to substitute the standard curvature with its generalization in the presence of torsion, in the usual couplings involving the roof genus A.

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