Gauge Threshold Corrections in Intersecting Brane World Models

Abstract

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.

51 pages, harvmac

References in corpus (4)

• Orientifolds of K3 and Calabi-Yau Manifolds with Intersecting D-branes
• Supersymmetric Intersecting Branes on the Type IIA T^6/Z_4 orientifold
• Non-Abelian Born-Infeld Action and Type I - Heterotic Duality (II): Nonrenormalization Theorems
• Local models for intersecting brane worlds

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