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Realistic equations of state for the primeval universe

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dc.contributor.authorAldrovandi, R. [UNESP]
dc.contributor.authorCuzinatto, R. R.
dc.contributor.authorMedeiros, L. G.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Alberta
dc.contributor.institutionCentro Brasileiro de Pesquisas Físicas (CBPF)
dc.date.accessioned2014-05-20T14:08:56Z
dc.date.available2014-05-20T14:08:56Z
dc.date.issued2008-12-01
dc.description.abstractEquations of state for the early universe including realistic interactions between constituents are formulated. Under certain hypotheses, these equations are able to generate an inflationary regime prior to the period of the nucleosynthesis. The resulting accelerated expansion is intense enough to solve the flatness and horizon problems. In the cases of a curvature parameter. equal to 0 or + 1, the model is able to avoid the initial singularity and offers a natural explanation for why the universe is in expansion. All the results are valid only for a matter-antimatter symmetric universe.en
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.description.affiliationUniv Alberta, Inst Theoret Phys, Edmonton, AB T6G 2J1, Canada
dc.description.affiliationCtr Brasileiro Pesquisas Fis, BR-22290180 Rio de Janeiro, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.format.extent483-497
dc.identifierhttp://dx.doi.org/10.1140/epjc/s10052-008-0780-6
dc.identifier.citationEuropean Physical Journal C. New York: Springer, v. 58, n. 3, p. 483-497, 2008.
dc.identifier.doi10.1140/epjc/s10052-008-0780-6
dc.identifier.issn1434-6044
dc.identifier.urihttp://hdl.handle.net/11449/24085
dc.identifier.wosWOS:000261183100012
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofEuropean Physical Journal C
dc.relation.ispartofjcr5.172
dc.relation.ispartofsjr2,022
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleRealistic equations of state for the primeval universeen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica