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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Granda, Luis N. | - |
| dc.date.accessioned | 2021-12-10T08:12:52Z | - |
| dc.date.available | 2021-12-10T08:12:52Z | - |
| dc.date.issued | 2020-03-25 | - |
| dc.identifier.uri | https://repositorio.accefyn.org.co/handle/001/1187 | - |
| dc.description.abstract | Se 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 cosmológica. | spa |
| dc.description.abstract | We 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.format.mimetype | application/pdf | spa |
| dc.language.iso | spa | spa |
| dc.publisher | Academia Colombiana de Ciencias Exactas, Físicas y Naturales | spa |
| dc.rights | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International | spa |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc/4.0/ | spa |
| dc.source | Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales | spa |
| dc.title | The Scalar Field Model of Dark Energy in the Framework of the Holographic Principle | spa |
| dc.type | Artículo de revista | spa |
| dcterms.audience | Estudiantes, Profesores, Comunidad científica colombiana | spa |
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| dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
| dc.type.driver | info:eu-repo/semantics/article | spa |
| dc.type.version | info:eu-repo/semantics/publishedVersion | spa |
| dc.rights.creativecommons | Atribución-NoComercial 4.0 Internacional (CC BY-NC 4.0) | spa |
| dc.identifier.doi | https://doi.org/10.18257/raccefyn.966 | - |
| dc.subject.proposal | Energía Oscura | spa |
| dc.subject.proposal | Dark Energy | eng |
| dc.subject.proposal | Principio Holográfico | spa |
| dc.subject.proposal | Holographic Principle | eng |
| dc.subject.proposal | Campo escalar | spa |
| dc.subject.proposal | Scalar Field | eng |
| dc.type.coar | http://purl.org/coar/resource_type/c_6501 | spa |
| dc.relation.ispartofjournal | Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales | spa |
| dc.relation.citationvolume | 44 | spa |
| dc.relation.citationstartpage | 133 | spa |
| dc.relation.citationendpage | 141 | spa |
| dc.publisher.place | Bogotá, Colombia | spa |
| dc.contributor.corporatename | Academia Colombiana de Ciencias Exactas, Físicas y Naturales | spa |
| dc.relation.citationissue | 170 | spa |
| dc.type.content | DataPaper | spa |
| dc.type.redcol | http://purl.org/redcol/resource_type/ART | spa |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | spa |
| Appears in Collections: | BA. Revista de la Academia Colombiana de Ciencias Exactas Físicas y Naturales | |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 5. The Scalar Field Model of Dark Energy.pdf | Ciencias físicas | 950.11 kB | Adobe PDF |  View/Open |
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