Brane inflation and the fine-tuning problem

Details Brane inflation and the fine-tuning problem Brane inflation and the fine-tuning problem

2004-07-21

arxiv.org/abs/hep-ph/0407250v2

Int.J.Theor.Phys.46:2488-2493,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

04 pages (Revtex)

Scientific paper

10.1007/s10773-007-9363-9

Brane inflation can provide a promissing framework for solving the fine-tuning problem in standard inflationary models. The aim of this paper is to illustrate the mechanism by which this can be achieved. By considering the supersymmetric two-stage inflation model it is shown that the initial fine-tuning of the coupling parameter can be considerably relaxed. SubPlanckian values of the inflaton during inflation can also be obtained.

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