The dark(er) side of inflation

Details The dark(er) side of inflation The dark(er) side of inflation

2006-05-10

arxiv.org/abs/hep-ph/0605111v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 figures. Talk given at the XLIrst Rencontres de Moriond, Electroweak Interactions And Unified Theories,March 11 - 1

Scientific paper

We present a new approach to quintessential inflation, in which both dark energy and inflation are explained by the evolution of a single scalar field. We start from a simple scalar potential with both oscillatory and exponential behavior.We employ the conventional reheating mechanism of new inflation, in which the scalar decays to light fermions with a decay width that is proportional to the scalar mass. Because our scalar mass is proportional to the Hubble rate, this gives adequate reheating at early times while shutting off at late times to preserve quintessence and satisfy nucleosynthesis constraints.

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