SQCD Inflation & SUSY Breaking

Details SQCD Inflation & SUSY Breaking SQCD Inflation & SUSY Breaking

2009-02-05

arxiv.org/abs/0902.0972v2

JHEP 0904:092,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, typos corrected, references added

Scientific paper

10.1088/1126-6708/2009/04/092

A model of generalised hybrid inflation in a supersymmetric QCD theory is proposed whose parameters are the gauge coupling and quark masses. Its gravitational coupling to another SQCD sector induces a metastable supersymmetry breaking vacuum of the ISS type as ISS quarks become massive at the end of inflation. Using a known mechanism with a gravitational breaking of the baryon number and the gauging of flavour symmetries, we find that gauge mediation of supersymmetry breaking is compatible with the dynamics of the inflation sector. Reheating proceeds via the thermalization of the ISS messengers into the standard model states. This setup contains a single dimensionful parameter in the form of a quark mass term in the inflationary sector, i.e. all other scales involved are either related to this single mass parameter or dynamically generated.

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