Orientifolds with branes at angles

Details Orientifolds with branes at angles Orientifolds with branes at angles

2001-05-21

arxiv.org/abs/hep-th/0105208v2

JHEP 0106:004,2001

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, 5 figures, references added

Scientific paper

10.1088/1126-6708/2001/06/004

We present supersymmetry breaking four dimensional orientifolds of type IIA strings. The compact space is a torus times a four dimensional orbifold. The orientifold group reflects one direction in each torus. RR tadpoles are cancelled by D6-branes intersecting at angles in the torus and in the orbifold. The angles are chosen such that supersymmetry is broken. The resulting four dimensional theories contain chiral fermions. The tadpole cancellation conditions imply that there are no non-abelian gauge anomalies. The models also contain anomaly-free U(1) factors.

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