Gauge Threshold Corrections in Intersecting Brane World Models

Details Gauge Threshold Corrections in Intersecting Brane World Models Gauge Threshold Corrections in Intersecting Brane World Models

2003-02-27

arxiv.org/abs/hep-th/0302221v2

Fortsch.Phys.55:427-465,2007

Physics

High Energy Physics

High Energy Physics - Theory

51 pages, harvmac

Scientific paper

10.1002/prop.200310335

We calculate the one-loop corrections to gauge couplings in N=1 supersymmetric brane world models, which are realized in an type IIA orbifold/orientifold background with several stacks of D6 branes wrapped on 3-cycles with non-vanishing intersections. Contributions arise from both N=1 and N=2 open string subsectors. In contrast to what is known from ordinary orbifold theories, N=1 subsectors give rise to moduli-dependent one-loop corrections.

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