Hybrid Quintessential Inflation

Details Hybrid Quintessential Inflation Hybrid Quintessential Inflation

2009-05-18

arxiv.org/abs/0905.2937v1

Phys.Lett.B678:157-163,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures

Scientific paper

10.1016/j.physletb.2009.06.025

A model is presented in which a single scalar field is responsible for both primordial inflation at early times and then dark energy at late times. This field is coupled to a second scalar field which becomes unstable and starts to oscillate after primordial inflation, thus driving a reheating phase that can create a high post-inflation temperature. This model easily avoids overproduction of gravity waves, which is a problem in the original quintessential inflation model in which reheating occurs via gravitational particle production.

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