Supersymmetry breaking and the radion in AdS_4 brane-worlds

Details Supersymmetry breaking and the radion in AdS_4 brane-worlds Supersymmetry breaking and the radion in AdS_4 brane-worlds

2006-01-06

arxiv.org/abs/hep-th/0601036v2

Phys.Rev.D75:055008,2007

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, no figures;discussion of radion potential expanded

Scientific paper

10.1103/PhysRevD.75.055008

We compute the one-loop correction to the radion potential in the Randall-Sundrum model with detuned brane tensions, with supersymmetry broken by boundary conditions. We concentrate on the small-warping limit, where the one-loop correction is significant. With pure supergravity, the correction is negative, but with bulk hypermultiplets, the correction can be positive, so that the 4d curvature can be lowered, with the radion stable. We use both the KK theory, and the 4d radion effective theory for this study.

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