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(Non-)Anomalous D-brane and O-plane couplings: the normal bundle

Ben Craps, Frederik Roose

hep-tharXiv:hep-th/9812149

Abstract

The direct string computation of anomalous D-brane and orientifold plane couplings is extended to include the curvature of the normal bundle. The normalization of these terms is fixed unambiguously. New, non-anomalous gravitational couplings are found.

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