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Título

Gravity waves from tachyonic preheating after hybrid inflation

AutorDufaux, Jean-Francois ; Felder, Gary; Kofman, Lev; Navros, Olga
Palabras claveGravity waves/theory
Inflation
Physics of the early universe
Fecha de publicaciónmar-2009
EditorInstitute of Physics Publishing
International School for Advanced Studies
CitaciónJournal of Cosmology and Astroparticle Physics 03(001): (2009)
ResumenWe 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.
Descripción20 pages, 14 figures, 2 appendix.-- Pre-print archive.
Versión del editorhttp://dx.doi.org/10.1088/1475-7516/2009/03/001
URIhttp://hdl.handle.net/10261/20381
DOI10.1088/1475-7516/2009/03/001
ISSN1126-6708
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