Time variability of the gravitational constant and Type Ia supernovae

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dc.creatorAmendola, Luca
dc.creatorCorasaniti, Stefano
dc.creatorOcchionero, Franco
dc.date1999-07-16
dc.date.accessioned2026-07-07T02:32:33Z
dc.date.available2026-07-07T02:32:33Z
dc.descriptionWe investigate to which extent a time variation of the gravitational constant or other fundamental constants affects the best fit of the Hubble diagram of type Ia supernovae. In particular, we show that a slow increase of $G$ in the past, below experimental constraints, can reconcile the SNe Ia observations with an open zero-$Λ$ universe.
dc.description7 pages, including 4 figures, revtex
dc.identifierhttps://arxiv.org/abs/astro-ph/9907222
dc.identifierhttp://arxiv.org/abs/astro-ph/9907222
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14500
dc.subjectAstrophysics
dc.titleTime variability of the gravitational constant and Type Ia supernovae
dc.typetext

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