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dc.contributor.authorJaen Herbera, Javier
dc.contributor.authorMolina Compte, Alfred
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear
dc.date.accessioned2015-03-20T10:00:17Z
dc.date.created2014-05-07
dc.date.issued2014-05-07
dc.identifier.citationJaen, J.; Molina, A. Homothetic motions and Newtonian cosmology. "General relativity and gravitation", 07 Maig 2014, vol. 46, núm. 1745, p. 1735-1749.
dc.identifier.issn0001-7701
dc.identifier.urihttp://hdl.handle.net/2117/26879
dc.description.abstractWe construct a homothetic covariant Newtonian gravitation theory which unifies inertial homothetic forces and gravitational fields. This is achieved through an equivalence principle based on a local homothetic frame of motion. As a consequence, we can obtain a coherent Newtonian cosmology which admits a cosmological principle and leads to the Friedman equations for a dust universe. Finally we prove that this gravity theory can be obtained as the non-relativistic limit of a class of metrics in General Relativity. The Friedmann–Lemaître–Robertson–Walker metric and its limit are also studied.
dc.format.extent15 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Física::Astronomia i astrofísica::Cosmologia i cosmogonia
dc.subject.lcshCosmology
dc.subject.lcshGravitation
dc.subject.otherHomothetic motion
dc.subject.otherNewtonian cosmology
dc.subject.otherFLRW
dc.subject.otherDust universe
dc.titleHomothetic motions and Newtonian cosmology
dc.typeArticle
dc.subject.lemacCosmologia
dc.subject.lemacGravitació
dc.contributor.groupUniversitat Politècnica de Catalunya. GIEF - Grup Innovació Educativa a la Física
dc.identifier.doi10.1007/s10714-014-1745-8
dc.relation.publisherversionhttp://link.springer.com/article/10.1007/s10714-014-1745-8
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac15528486
dc.description.versionPostprint (published version)
dc.date.lift10000-01-01
local.citation.authorJaen, J.; Molina, A.
local.citation.publicationNameGeneral relativity and gravitation
local.citation.volume46
local.citation.number1745
local.citation.startingPage1735
local.citation.endingPage1749


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