On the realization of the MSSM inflation

Details On the realization of the MSSM inflation On the realization of the MSSM inflation

2009-06-18

arxiv.org/abs/0906.3402v1

Prog.Theor.Phys.122:969-986,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

17pages

Scientific paper

10.1143/PTP.122.969

We study the fine-tuning problem on the initial condition of inflation in the minimal supersymmetric standard model (MSSM), associated with the narrowness of the slow-roll region. We consider two cases before the onset of the MSSM inflation, namely, the radiation dominated era and preceding inflationary era. We find thermal dissipation does not induce additional friction to the inflaton, so that it does not help enlarge the slow-roll region. We argue thermal correction to the potential in the preceding radiation dominated era and quantum fluctuations in the preceding inflationary era disturb field configuration and prevent the MSSM inflation unless some specific preinflation history is realized.

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