Remarks on some vacuum solutions of scalar-tensor cosmological models

Detalhes bibliográficos
Autor(a) principal: Bezerra,V. B.
Data de Publicação: 2004
Outros Autores: Romero,C., Grebot,G., Guimarães,M. E. X., Colatto,L. P.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Physics
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000300032
Resumo: We present a class of exact vacuum solutions corresponding to de Sitter and warm inflation models in the framework of scalar-tensor cosmologies. We show that in both cases the field equations reduce to planar dynamical systems with constraints. Then, we carry out a qualitative analysis of the models by examining the phase diagrams of the solutions near the equilibrium points.
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spelling Remarks on some vacuum solutions of scalar-tensor cosmological modelsWe present a class of exact vacuum solutions corresponding to de Sitter and warm inflation models in the framework of scalar-tensor cosmologies. We show that in both cases the field equations reduce to planar dynamical systems with constraints. Then, we carry out a qualitative analysis of the models by examining the phase diagrams of the solutions near the equilibrium points.Sociedade Brasileira de Física2004-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000300032Brazilian Journal of Physics v.34 n.2a 2004reponame:Brazilian Journal of Physicsinstname:Sociedade Brasileira de Física (SBF)instacron:SBF10.1590/S0103-97332004000300032info:eu-repo/semantics/openAccessBezerra,V. B.Romero,C.Grebot,G.Guimarães,M. E. X.Colatto,L. P.eng2004-09-01T00:00:00Zoai:scielo:S0103-97332004000300032Revistahttp://www.sbfisica.org.br/v1/home/index.php/pt/ONGhttps://old.scielo.br/oai/scielo-oai.phpsbfisica@sbfisica.org.br||sbfisica@sbfisica.org.br1678-44480103-9733opendoar:2004-09-01T00:00Brazilian Journal of Physics - Sociedade Brasileira de Física (SBF)false
dc.title.none.fl_str_mv Remarks on some vacuum solutions of scalar-tensor cosmological models
title Remarks on some vacuum solutions of scalar-tensor cosmological models
spellingShingle Remarks on some vacuum solutions of scalar-tensor cosmological models
Bezerra,V. B.
title_short Remarks on some vacuum solutions of scalar-tensor cosmological models
title_full Remarks on some vacuum solutions of scalar-tensor cosmological models
title_fullStr Remarks on some vacuum solutions of scalar-tensor cosmological models
title_full_unstemmed Remarks on some vacuum solutions of scalar-tensor cosmological models
title_sort Remarks on some vacuum solutions of scalar-tensor cosmological models
author Bezerra,V. B.
author_facet Bezerra,V. B.
Romero,C.
Grebot,G.
Guimarães,M. E. X.
Colatto,L. P.
author_role author
author2 Romero,C.
Grebot,G.
Guimarães,M. E. X.
Colatto,L. P.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Bezerra,V. B.
Romero,C.
Grebot,G.
Guimarães,M. E. X.
Colatto,L. P.
description We present a class of exact vacuum solutions corresponding to de Sitter and warm inflation models in the framework of scalar-tensor cosmologies. We show that in both cases the field equations reduce to planar dynamical systems with constraints. Then, we carry out a qualitative analysis of the models by examining the phase diagrams of the solutions near the equilibrium points.
publishDate 2004
dc.date.none.fl_str_mv 2004-06-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000300032
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000300032
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0103-97332004000300032
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Física
publisher.none.fl_str_mv Sociedade Brasileira de Física
dc.source.none.fl_str_mv Brazilian Journal of Physics v.34 n.2a 2004
reponame:Brazilian Journal of Physics
instname:Sociedade Brasileira de Física (SBF)
instacron:SBF
instname_str Sociedade Brasileira de Física (SBF)
instacron_str SBF
institution SBF
reponame_str Brazilian Journal of Physics
collection Brazilian Journal of Physics
repository.name.fl_str_mv Brazilian Journal of Physics - Sociedade Brasileira de Física (SBF)
repository.mail.fl_str_mv sbfisica@sbfisica.org.br||sbfisica@sbfisica.org.br
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