A string theoretic model of gauge mediated supersymmetry beaking

Abstract

We propose a robust supergravity model of dynamical supersymmetry breaking and gauge mediation, and a natural embedding in non-perturbative string theory with D-branes. A chiral field (and its mirror) charged under "anomalous" U(1)'s acts as a Polonyi field whose hierarchical Polonyi-term can be generated by string instantons. Further quartic superpotential terms arise naturally as a tree-level decoupling effect of massive string states. A robust supersymmetry breaking minimum allows for gauge mediation with soft masses at the TeV scale, which we realise for a globally consistent SU(5) GUT model of Type I string theory, with a D1-instanton inducing the Polonyi term.

4 pages, 3 tables; uses revtex; v3: some clarifications added

Cited by in corpus (15)

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• Stringy Instanton Effects in Models with Rigid Magnetised D-branes
• Yukawa couplings and masses of non-chiral states for the Standard Model on D6-branes on T6/Z6'
• Singlet Extensions of the MSSM in the Quiver Landscape
• Non-perturbative Vacuum Destabilization and D-brane Dynamics
• D-brane Instantons as Gauge Instantons in Orientifolds of Chiral Quiver Theories
• A Toy Model for Gauge-Mediation in Intersecting Brane Models
• Non-minimal Gauge Mediation and Moduli Stabilization
• F-term SUSY Breaking and Moduli