A string theoretic model of gauge mediated supersymmetry beaking
High Energy Physics - Theory
2008-08-20 v3
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.
Cite
@article{arxiv.0807.3953,
title = {A string theoretic model of gauge mediated supersymmetry beaking},
author = {Mirjam Cvetic and Timo Weigand},
journal= {arXiv preprint arXiv:0807.3953},
year = {2008}
}
Comments
4 pages, 3 tables; uses revtex; v3: some clarifications added