Preheating after Multi-field Inflation

Details Preheating after Multi-field Inflation Preheating after Multi-field Inflation

2008-09-19

arxiv.org/abs/0809.3455v1

Nucl.Phys.B, Proc.Suppl.192-193 2009:126-127,2009

Astronomy and Astrophysics

Astrophysics

4 pages, proceedings for work presented at Cargese 2008, COSMO08 and UniverseNet second annual meeting

Scientific paper

10.1016/j.nuclphysbps.2009.07.05

In this note I study preheating after multi-field inflation to assess the
feasibility of parametric resonance. An intuitive argument for the suppression
of resonances due to dephasing of fields in generic multi-field models is
presented. This effect is absent in effective single field models, rendering
them inappropriate for the study of preheating.

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