Spikes in the Relic Graviton Background from Quintessential Inflation

Details Spikes in the Relic Graviton Background from Quintessential Inflation Spikes in the Relic Graviton Background from Quintessential Inflation

1999-03-05

arxiv.org/abs/hep-ph/9903263v1

Class.Quant.Grav. 16 (1999) 2905-2913

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages in LaTex style, 2 figures

Scientific paper

10.1088/0264-9381/16/9/308

The energy spectra of gravitational waves (GW) produced in quintessential inflationary models increase in frequency and exhibit a sharp spike around 170 GHz where the associated fraction of critical energy density today stored in relic gravitons is of the order of $10^{-6}$. We contrast our findings with the spectra of ordinary inflationary models and we comment about possible detetction strategies of the spike.

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