Closed inflationary universe with tachyonic field

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dc.creatorBalart, Leonardo
dc.creatordel Campo, Sergio
dc.creatorHerrera, Ramon
dc.creatorLabrana, Pedro
dc.date2007-03-24
dc.date2007-05-22
dc.date.accessioned2026-07-07T11:21:24Z
dc.date.available2026-07-07T11:21:24Z
dc.descriptionIn this article we study closed inflationary universe models by using a tachyonic field theory. We determine and characterize the existence of an universe with $Ω> 1$, and which describes a period of inflation. We find that considered models are less restrictive compared to the standard ones with a scalar field. We use recent astronomical observations to constraint the parameters appearing in the model. Obtained results are compared to those found in the standard scalar field inflationary universes.
dc.description8 pages, 2 figures. Minor changes, typos corrected. Accepted for publication in Eur. Phys. J. C
dc.identifierhttps://arxiv.org/abs/astro-ph/0703628
dc.identifierhttp://arxiv.org/abs/astro-ph/0703628
dc.identifierEur.Phys.J.C51:185-192,2007
dc.identifierdoi:10.1140/epjc/s10052-007-0288-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194251
dc.subjectAstrophysics
dc.titleClosed inflationary universe with tachyonic field
dc.typetext

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