Phantom cosmologies and fermions

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dc.creatorChimento, Luis P.
dc.creatorDevecchi, Fernando P.
dc.creatorForte, Monica
dc.creatorKremer, Gilberto M.
dc.date2007-07-30
dc.date2008-03-05
dc.date.accessioned2026-07-07T11:18:17Z
dc.date.available2026-07-07T11:18:17Z
dc.descriptionForm invariance transformations can be used for constructing phantom cosmologies starting with conventional cosmological models. In this work we reconsider the scalar field case and extend the discussion to fermionic fields, where the "phantomization" process exhibits a new class of possible accelerated regimes. As an application we analyze the cosmological constant group for a fermionic seed fluid.
dc.description5 pages, version which was accepted for publication in CQG
dc.identifierhttps://arxiv.org/abs/0707.4455
dc.identifierhttp://arxiv.org/abs/0707.4455
dc.identifierClass.Quant.Grav.25:085007,2008
dc.identifierdoi:10.1088/0264-9381/25/8/085007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193292
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titlePhantom cosmologies and fermions
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