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dc.contributor.authorGranda, Luis N.-
dc.description.abstractSe estudian soluciones cosmológicas para un campo escalar acoplado mínimamente a la curvatura, en el marco del principio holográfico. Se pueden obtener soluciones phantom sin introducir grados de libertad fantasma, y el sistema autónomo contiene soluciones de expansión acelerada estables y atractores de Sitter. Para el campo con acoplamiento no-mínimo se analiza el caso especial del acoplamiento conforme y se demuestra que un campo escalar que evoluciona dinámicamente puede producir el efecto de la constante cosmoló
dc.description.abstractWe study cosmological solutions for a scalar field minimally coupled to the curvature, in the framework of holographic dark energy. Phantom solutions can be obtained without introducing ghosts’ degrees of freedom, and the autonomous system contains stable accelerated expansion solutions and de Sitter attractors. For the non-minimally coupled scalar field the special case of the conformal coupling is analyzed, and it is shown that dynamically evolving scalar field produces the effect of the cosmological constant.eng
dc.publisherAcademia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
dc.rightsCreative Commons Attribution-NonCommercial-ShareAlike 4.0 Internationalspa
dc.sourceRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
dc.titleThe Scalar Field Model of Dark Energy in the Framework of the Holographic Principlespa
dc.typeArtículo de revistaspa
dcterms.audienceEstudiantes, Profesores, Comunidad científica colombianaspa
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dc.rights.creativecommonsAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)spa
dc.subject.proposalEnergía Oscuraspa
dc.subject.proposalDark Energyeng
dc.subject.proposalPrincipio Holográficospa
dc.subject.proposalHolographic Principleeng
dc.subject.proposalCampo escalarspa
dc.subject.proposalScalar Fieldeng
dc.relation.ispartofjournalRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
dc.publisher.placeBogotá, Colombiaspa
dc.contributor.corporatenameAcademia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
Appears in Collections:BA. Revista de la Academia Colombiana de Ciencias Exactas Físicas y Naturales

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