Non-Gaussianity in a Matter Bounce

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dc.creatorCai, Yi-Fu
dc.creatorXue, Wei
dc.creatorBrandenberger, Robert
dc.creatorZhang, Xinmin
dc.date2009-03-03
dc.date2009-03-08
dc.date.accessioned2026-07-07T13:16:41Z
dc.date.available2026-07-07T13:16:41Z
dc.descriptionA nonsingular bouncing cosmology in which the scales of interest today exit the Hubble radius in a matter-dominated contracting phase yields an alternative to inflation for producing a scale-invariant spectrum of adiabatic cosmological fluctuations. In this paper we identify signatures in the non-Gaussianities of the fluctuations which are specific to this scenario and allow it to be distinguished from the results of inflationary models.
dc.description10 pages, 6 figures, 2 references added
dc.identifierhttps://arxiv.org/abs/0903.0631
dc.identifierhttp://arxiv.org/abs/0903.0631
dc.identifierJCAP 0905:011,2009
dc.identifierdoi:10.1088/1475-7516/2009/05/011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230869
dc.subjectCosmology and Nongalactic Astrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleNon-Gaussianity in a Matter Bounce
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