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dc.contributor.authorRosenfeld, Rogério-
dc.contributor.authorFrieman, J. A.-
dc.date.accessioned2014-05-20T15:24:27Z-
dc.date.accessioned2016-10-25T17:58:40Z-
dc.date.available2014-05-20T15:24:27Z-
dc.date.available2016-10-25T17:58:40Z-
dc.date.issued2005-09-01-
dc.identifierhttp://dx.doi.org/10.1088/1475-7516/2005/09/003-
dc.identifier.citationJournal of Cosmology and Astroparticle Physics. Bristol: Iop Publishing Ltd, n. 9, 8 p., 2005.-
dc.identifier.issn1475-7516-
dc.identifier.urihttp://hdl.handle.net/11449/35061-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/35061-
dc.description.abstractWe propose a simple toy model for quintessential inflation where a complex scalar field described by a Lagrangian with a U(1)(PQ) symmetry spontaneously broken at a high energy scale and explicitly broken by instanton effects at a much lower energy can account for both the early inflationary phase and the recent accelerated expansion of the Universe. The real part of the complex field plays the role of the in flaton whereas the imaginary part, the 'axion', is the quintessence field.en
dc.format.extent8-
dc.language.isoeng-
dc.publisherIop Publishing Ltd-
dc.sourceWeb of Science-
dc.subjectdark energy theorypt
dc.subjectinflationpt
dc.subjectaxionspt
dc.subjectcosmology of theories beyond the SMpt
dc.titleA simple model for quintessential inflationen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionNASA-
dc.contributor.institutionUniv Chicago-
dc.description.affiliationUniv Estadual Paulista, Inst Fis Theor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationNASA, Fermi Natl Accelerator Lab, Fermilab Astrophys Ctr, Batavia, IL 60510 USA-
dc.description.affiliationUniv Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA-
dc.description.affiliationUniv Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Theor, BR-01405900 São Paulo, Brazil-
dc.identifier.doi10.1088/1475-7516/2005/09/003-
dc.identifier.wosWOS:000232205100013-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Cosmology and Astroparticle Physics-
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