English

Consistency Conditions for Branes at Orbifold Singularities

High Energy Physics - Theory 2009-08-18 v2

Abstract

We discuss consistency conditions for branes at orbifold singularities. The conditions have a world-sheet interpretation in terms of tadpole cancellation and a space-time interpretation in terms of anomalies. As examples, we consider type II and type I branes on C2/ZMC^2/Z_M orbifolds. We give orientifold constructions of phases of type I or heterotic string theory, involving branches with extra tensor multiplets, which arise when small SO(32) instantons sit on orbifold singularities.

Keywords

Cite

@article{arxiv.hep-th/9705030,
  title  = {Consistency Conditions for Branes at Orbifold Singularities},
  author = {Julie D. Blum and Kenneth Intriligator},
  journal= {arXiv preprint arXiv:hep-th/9705030},
  year   = {2009}
}

Comments

harvmac, 14 pages, added references

R2 v1 2026-07-22T16:04:53.102Z