Modelling dark energy with quintessence and a cosmological constant

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dc.creatorCardenas, Rolando
dc.creatorGonzalez, Tame
dc.creatorMartin, Osmel
dc.creatorQuiros, Israel
dc.date2002-09-25
dc.date.accessioned2026-07-07T02:05:25Z
dc.date.available2026-07-07T02:05:25Z
dc.descriptionIn this talk we present a model of the universe in which dark energy is modelled explicitely with both a dynamical quintessence field and a cosmological constant. Our results confirm the possibility of a collapsing universe (for a given region of the parameter space), which is advantageous for an adequate formulation of both perturbative quantum field and string theories. We have also reproduced the measurements of modulus distance from supernovae with good accuracy.
dc.descriptionTalk presented by R Cardenas in UK Cosmology Meeting at the University of Wales Swansea, September 2nd-4th, 2002
dc.identifierhttps://arxiv.org/abs/astro-ph/0209524
dc.identifierhttp://arxiv.org/abs/astro-ph/0209524
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/5094
dc.subjectAstrophysics
dc.titleModelling dark energy with quintessence and a cosmological constant
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