Gamma Ray Bursts as Cosmological Probes

dc.creatorBertolami, O.
dc.creatorSilva, P. T.
dc.date2006-01-23
dc.date.accessioned2026-07-07T06:57:04Z
dc.date.available2026-07-07T06:57:04Z
dc.descriptionWe discuss the prospects of using Gamma Ray Bursts (GRBs) as high-redshift distance estimators, and consider their use in the study of two dark energy models, the Generalized Chaplygin Gas (GCG), a model for the unification of dark energy and dark matter, and the XCDM model, a model where a generic dark energy fluid like component is described by the equation of state, $p= ωρ$. Given that the GRBs range of redshifts is rather high, it turns out that they are not very sensitive to the dark energy component, being however, fairly good estimators of the amount of dark matter in the Universe.
dc.description4 pages, 1 figure, talk presented by P.T.S. at the XV Encontro Nacional De Astronomia e Astrofisica, Lisbon, Portugal, 28-30 July 2005
dc.identifierhttps://arxiv.org/abs/astro-ph/0601507
dc.identifierhttp://arxiv.org/abs/astro-ph/0601507
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106836
dc.subjectAstrophysics
dc.titleGamma Ray Bursts as Cosmological Probes
dc.typetext

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