Supergravity loop contributions to brane world supersymmetry breaking

Details Supergravity loop contributions to brane world supersymmetry breaking Supergravity loop contributions to brane world supersymmetry breaking

2003-05-20

arxiv.org/abs/hep-th/0305169v1

Phys.Rev.D70:025008,2004

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTeX 2e

Scientific paper

10.1103/PhysRevD.70.025008

We compute the supergravity loop contributions to the visible sector scalar masses in the simplest 5D `brane-world' model. Supersymmetry is assumed to be broken away from the visible brane and the contributions are UV finite due to 5D locality. We perform the calculation with N = 1 supergraphs, using a formulation of 5D supergravity in terms of N = 1 superfields. We compute contributions to the 4D effective action that determine the visible scalar masses, and we find that the mass-squared terms are negative.

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