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arXiv · hep-th/9912108

Gauge and gravitational anomalies in D=4 N=1 orientifolds

Claudio A. Scrucca·Marco Serone
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Abstract

The cancellation of U(1)-gauge and U(1)-gravitational anomalies in certain D=4 N=1 Type IIB orientifolds is analyzed in detail, from a string theory point of view. We verify the proposal that these anomalies are cancelled by a Green-Schwarz mechanism involving only twisted Ramond-Ramond fields. By factorizing one-loop partition functions, we also get the anomalous couplings of D-branes, O-planes and orbifold fixed-points to these twisted fields. Twisted sectors with fixed-planes participate to the inflow mechanism in a peculiar way.

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Claudio A. Scrucca, Marco Serone. 1999-12-20. Gauge and gravitational anomalies in D=4 N=1 orientifolds. https://doi.org/10.1088/1126-6708%2F1999%2F12%2F024

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