Post-Inflationary Reheating

Details Post-Inflationary Reheating Post-Inflationary Reheating

2000-03-15

arxiv.org/abs/hep-ph/0003141v4

Phys.Rev.D62:063512,2000; Erratum-ibid.D65:069901,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 6 figures. Coding error(misprint) corrected:figures and some conclusions changed

Scientific paper

10.1103/PhysRevD.62.063512 10.11

We study a model for reheating that has been much investigated for parametric resonance, having a quartic interaction of the scalar inflaton with another scalar field. Attention is particularly on the quantum excitations of the inflaton field and the metric perturbation with a smooth transition from quantum to classical stochastic states, followed through from a specific inflation model to a state including a relativistic fluid. The scalar fields enter non-perturbatively but the metric enters perturbatively, and the validity of this latter is assessed. In this model our work seems to point the large scale curvature parameter changing.

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