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arxiv: 1103.5758 · v2 · pith:XQ6FXDZSnew · submitted 2011-03-29 · ✦ hep-ph · astro-ph.CO

Tuned MSSM Higgses as an inflaton

classification ✦ hep-ph astro-ph.CO
keywords higgsesdensitydirectionflatinflationmssmobservedtuned
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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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