Suppressing FCNC and CP-Violating Phases by Extra Dimensions

Abstract

In extra dimensions the infrared attractive force of gauge interactions is amplified. We find that this force can align in the infrared limit the soft-supersymmetry breaking terms out of their anarchical disorder at a fundamental scale, in such a way that flavor-changing neutral currents as well as dangerous CP-violating phases are sufficiently suppressed at the unification scale. The main assumption is that the matter and Higgs supermultiplets and the flavor-dependent interactions such as Yukawa interactions are stuck at the four-dimensional boundary. As a concrete example we consider the minimal model based on SU(5) in six dimensions.

9 pages, 2 figures

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• Not Even Decoupling Can Save Minimal Supersymmetric SU(5)
• Proton Decay in Minimal Supersymmetric SU(5)
• Supersymmetry Breaking and Composite Extra Dimensions
• General Flavor Blind MSSM and CP Violation
• Brane World Susy Breaking
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• Supersymmetry Breaking in Warped Geometry
• Finite Theories and the SUSY Flavor Problem
• Double Suppression of FCNCs in Supersymmetric Models
• Towards 5D Grand Unification without SUSY Flavor Problem
• CP Violation from 5-dimensional QED
• Softening the Supersymmetric Flavor Problem in Orbifold GUTs
• Softening of SUSY flavor problem from asymptotically free bulk interactions
• Dynamical realization of democratic Yukawa matrices and alignment of A-terms