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

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

1999-12-13

arxiv.org/abs/hep-th/9912108v2

JHEP 9912 (1999) 024

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, JHEP LaTex, no figures; minor corrections and reference added

Scientific paper

10.1088/1126-6708/1999/12/024

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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