Noether symmetry approach in matter-dominated cosmology with variable G and Lambda

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dc.creatorBonanno, Alfio
dc.creatorEsposito, Giampiero
dc.creatorRubano, Claudio
dc.creatorScudellaro, Paolo
dc.date2006-12-04
dc.date.accessioned2026-07-07T11:20:49Z
dc.date.available2026-07-07T11:20:49Z
dc.descriptionIn the framework of renormalization-group improved cosmologies, we use the Noether symmetry approach to get exact and general integration of the matter-dominated cosmological equations. This is performed by using an expression of Lambda=Lambda(G) determined by the method itself. We also work out a comparison between such a model and the concordance LambdaCDM model as to the magnitude-redshift relationship, hence showing that no appreciable differences occur.
dc.description22 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0612091
dc.identifierhttp://arxiv.org/abs/astro-ph/0612091
dc.identifierGen.Rel.Grav.39:189-209,2007
dc.identifierdoi:10.1007/s10714-006-0386-y
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194077
dc.subjectAstrophysics
dc.titleNoether symmetry approach in matter-dominated cosmology with variable G and Lambda
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