Please use this identifier to cite or link to this item: https://hdl.handle.net/11000/30693
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dc.contributor.authorDale, Roberto-
dc.contributor.authorSaéz, Diego-
dc.contributor.otherDepartamentos de la UMH::Estadística, Matemáticas e Informáticaes_ES
dc.date.accessioned2024-01-26T10:13:10Z-
dc.date.available2024-01-26T10:13:10Z-
dc.date.created2011-09-11-
dc.identifier.citationAstrophysics and Space Science, (2012) 337:439–453es_ES
dc.identifier.issn1572-946X-
dc.identifier.issn0004-640X-
dc.identifier.urihttps://hdl.handle.net/11000/30693-
dc.description.abstractA certain vector-tensor theory is revisited. Our at tention is focused on cosmology. Against previous sugges tions based on preliminary studies, it is shown that, if the energy density of the vector field is large enough to play the role of the dark energy and its fluctuations are negligi ble, the theory is not simultaneously compatible with current observations on: supernovae, the cosmic microwave back ground (CMB) anisotropy, and the power spectrum of the energy density fluctuations. However, for small enough en ergy densities of the vector field and no scalar fluctuations, the theory becomes compatible with all the above observa tions and, moreover, it leads to an interesting evolution of the so-called vector cosmological modes. This evolution ap pears to be different from that of general relativity, and the difference might be useful to explain the anomalies in the low order CMB multipoles.es_ES
dc.formatapplication/pdfes_ES
dc.format.extent15es_ES
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.rightsinfo:eu-repo/semantics/closedAccesses_ES
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectCosmology:theoryes_ES
dc.subjectLarge-scale structure of universees_ES
dc.subjectModified theories of gravityes_ES
dc.subject.classificationLenguajes y sistemas informaticoses_ES
dc.subject.otherCDU::0 - Generalidades.::04 - Ciencia y tecnología de los ordenadores. Informática.es_ES
dc.titleOn the viability of a certain vector-tensor theory of gravitationes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://doi.org/10.1007/s10509-011-0842-3es_ES
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Artículos Estadística, Matemáticas e Informática


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