Tadpole and Anomaly Cancellation Conditions in D-brane Orbifold Models

Details Tadpole and Anomaly Cancellation Conditions in D-brane Orbifold Models Tadpole and Anomaly Cancellation Conditions in D-brane Orbifold Models

2002-10-16

arxiv.org/abs/hep-th/0210150v2

Int.J.Mod.Phys. A18 (2003) 3637-3694

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, no figures

Scientific paper

10.1142/S0217751X03015234

We derive and generalize the RR twisted tadpole cancellation conditions necessary to obtain consistent D=4, Z_N orbifold compactifications of Type IIB string theory. At least two different types of branes (or antibranes with opposite RR charges) are introduced into the construction. The matter spectra and their contribution to the non-abelian gauge anomalies are computed. Their relation with the tadpole cancellation conditions is also reviewed. The presence of tachyons is a common feature for some of the non-supersymmetric systems of branes.

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