Cosmology is not a Renormalization Group Flow

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dc.creatorWoodard, R. P.
dc.date2008-05-20
dc.date2008-08-07
dc.date.accessioned2026-07-07T11:50:57Z
dc.date.available2026-07-07T11:50:57Z
dc.descriptionA critical examination is made of two simple implementations of the idea that cosmology can be viewed as a renormalization group flow. Both implementations are shown to fail when applied to a massless, minimally coupled scalar with a quartic self-interaction on a locally de Sitter background. Cosmological evolution in this model is not driven by any RG screening of couplings but rather by inflationary particle production gradually filling an initially empty universe with a sea of long wavelength scalars.
dc.description4 pages, no figures, uses revtex4, version 2 revised slightly for publication in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/0805.3089
dc.identifierhttp://arxiv.org/abs/0805.3089
dc.identifierPhys.Rev.Lett.101:081301,2008
dc.identifierdoi:10.1103/PhysRevLett.101.081301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/203734
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleCosmology is not a Renormalization Group Flow
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