Tuned MSSM Higgses as an inflaton

Details Tuned MSSM Higgses as an inflaton Tuned MSSM Higgses as an inflaton

2011-03-29

arxiv.org/abs/1103.5758v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 5 figures

Scientific paper

We consider the possibility that the vacuum energy density of the MSSM (Minimal Supersymmetric Standard Model) flat direction condensate involving the Higgses H_1 and H_2 is responsible for inflation. We also discuss how the finely tuned Higgs potential at high vacuum expectation values can realize {\it cosmologically} flat direction along which it can generate the observed density perturbations, and after the end of inflation -- the coherent oscillations of the Higgses reheat the universe with all the observed degrees of freedom, without causing any problem for the electroweak phase transition.

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