Possible Enhancement of High Frequency Gravitational Waves

Details Possible Enhancement of High Frequency Gravitational Waves Possible Enhancement of High Frequency Gravitational Waves

2010-06-26

arxiv.org/abs/1006.5150v2

Class.Quant.Grav.28:075013,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

27 pages, 11 figures, LaTeX.2e

Scientific paper

10.1088/0264-9381/28/7/075013

We study the tensor perturbations in a class of non-local, purely gravitational models which naturally end inflation in a distinctive phase of oscillations with slight and short violations of the weak energy condition. We find the usual generic form for the tensor power spectrum. The presence of the oscillatory phase leads to an enhancement of gravitational waves with frequencies somewhat less than 10^{10} Hz.

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