Simple SUSY Breaking Mechanism by Coexisting Walls

Abstract

A SUSY breaking mechanism with no messenger fields is proposed. We assume that our world is on a domain wall and SUSY is broken only by the coexistence of another wall with some distance from our wall. We find an $\mathcal{N}=1$ model in four dimensions which admits an exact solution of a stable non-BPS configuration of two walls and studied its properties explicitly. We work out how various soft SUSY breaking terms can arise in our framework. Phenomenological implications are briefly discussed. We also find that effective SUSY breaking scale becomes exponentially small as the distance between two walls grows.

43 pages, latex, 7 figures

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• Exact Wall Solutions in 5-Dimensional SUSY QED at Finite Coupling
• Domain Wall Junction in N=2 Supersymmetric QED in four dimensions
• BPS Walls and Junctions in SUSY Nonlinear Sigma Models
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• Symmetry Breaking for Bosonic Systems on Orbifolds
• Low Energy Theorem for SUSY Breaking with Gauge Supermultiplets
• Modified mode-expansion on a BPS wall related to the nonlinear realization
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• Geometry mediated SUSY breaking
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