Document Type

Article

Publication Date

2009

Publication Title

Journal of Cosmology and Astroparticle Physics

Abstract

We study the stochastic background of gravitational waves produced from preheating in hybrid inflation models. We investigate different dynamical regimes of preheating in these models and we compute the resulting gravity wave spectra using analytical estimates and numerical simulations. We discuss the dependence of the gravity wave frequencies and amplitudes on the various potential parameters. We find that large regions of the parameter space leads to gravity waves that may be observable in upcoming interferometric experiments, including Advanced LIGO, but this generally requires very small coupling constants.

Volume

0903:001

DOI

10.1088/1475-7516/2009/03/001

ISSN

14757516

Included in

Physics Commons

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