Simple Cosmological Model with Relativistic Gas

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dc.creatorde Berredo-Peixoto, Guilherme
dc.creatorShapiro, Ilya L.
dc.creatorSobreira, Flavia
dc.date2004-12-11
dc.date2005-06-16
dc.date.accessioned2026-07-07T13:05:08Z
dc.date.available2026-07-07T13:05:08Z
dc.descriptionWe construct simple and useful approximation for the relativistic gas of massive particles. The equation of state is given by an elementary function and admits analytic solution of the Friedmann equation, including more complex cases when the relativistic gas of massive particles is considered together with radiation or with dominating cosmological constant. The model of relativistic gas may be interesting for the description of primordial Universe, especially as a candidate for the role of a Dark Matter.
dc.descriptionLaTeX, 12 pages, 4 figures. Several references on supersymmetric Dark Matter and one illustrative plot added. Final version accepted in Modern Physics Letters A
dc.identifierhttps://arxiv.org/abs/gr-qc/0412050
dc.identifierhttp://arxiv.org/abs/gr-qc/0412050
dc.identifierMod.Phys.Lett.A20:2723-2734,2005
dc.identifierdoi:10.1142/S0217732305018104
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/227398
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleSimple Cosmological Model with Relativistic Gas
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