Preheating and vacuum metastability in Supersymmetry

Details Preheating and vacuum metastability in Supersymmetry Preheating and vacuum metastability in Supersymmetry

1996-07-23

arxiv.org/abs/hep-ph/9607403v1

Phys.Lett. B390 (1997) 73-79

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX file

Scientific paper

10.1016/S0370-2693(96)01380-9

The constraints imposed by the requirement that the scalar potential of supersymmetric theories does not have unbounded directions and charge or color breaking minima deeper than the usual electroweak breaking minimum (EWM) are significantly relaxed if one just allows for a metastable EWM but with a sufficiently long lifetime. For this to be acceptable one needs however to explain how the vacuum state reaches this metastable configuration in the first place. We discuss the implications for this issue of the inflaton induced scalar masses, of the supersymmetry breaking effects generated during the preheating stage as well as of the thermal corrections to the scalar potential which appear after reheating. We show that their combined effects may efficiently drive the scalar fields to the origin, allowing them to then evolve naturally towards the EWM.

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