paper

Anomalies and inflow on D-branes and O-planes

arXiv:hep-th/9903145 · doi:10.1016/S0550-3213(99)00357-0

Abstract

We derive the general form of the anomaly for chiral spinors and self-dual antisymmetric tensors living on D-brane and O-plane interesections, using both path-integral and index theorem methods. We then show that the anomalous couplings to RR forms of D-branes and O-planes in a general background are precisely those required to cancel these anomalies through the inflow mechanism. This allows, for instance, for local anomaly cancellation in generic orientifold models, the relevant Green-Schwarz term being given by the sum of the anomalous couplings of all the D-branes and O-planes in the model.

24 pages, LaTex file, no figures

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