Cosmic microwave background and large-scale structure constraints on a simple quintessential inflation model

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFermi National Accelerator Laboratory-
Autor(es): dc.contributorUniversity of Chicago-
Autor(es): dc.creatorRosenfeld, Rogerio-
Autor(es): dc.creatorFrieman, Joshua A.-
Data de aceite: dc.date.accessioned2025-08-21T20:10:55Z-
Data de disponibilização: dc.date.available2025-08-21T20:10:55Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2007-02-16-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.75.043513-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224864-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224864-
Descrição: dc.descriptionWe derive constraints on a simple quintessential inflation model, based on a spontaneously broken Φ4 theory, imposed by the Wilkinson Microwave Anisotropy Probe three-year data (WMAP3) and by galaxy clustering results from the Sloan Digital Sky Survey (SDSS). We find that the scale of symmetry breaking must be larger than about 3 Planck masses in order for inflation to generate acceptable values of the scalar spectral index and of the tensor-to-scalar ratio. We also show that the resulting quintessence equation of state can evolve rapidly at recent times and hence can potentially be distinguished from a simple cosmological constant in this parameter regime. © 2007 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica - UNESP, Rua Pamplona, 145, 01405-900, São Paulo, SP-
Descrição: dc.descriptionParticle Astrophysics Center Fermi National Accelerator Laboratory, Batavia, IL 60510-0500-
Descrição: dc.descriptionDepartment of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago, Chicago, IL 60637-1433-
Descrição: dc.descriptionInstituto de Física Teórica - UNESP, Rua Pamplona, 145, 01405-900, São Paulo, SP-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review D - Particles, Fields, Gravitation and Cosmology-
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Título: dc.titleCosmic microwave background and large-scale structure constraints on a simple quintessential inflation model-
Tipo de arquivo: dc.typelivro digital-
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