Crossing the phantom divide without phantom matter
- Autores
- Chimento, Luis Pascual; Lazkoz Ruth; Maartens Roy; Quiros Israel
- Año de publicación
- 2006
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A class of braneworld models can lead to phantom-like acceleration of the late universe, but without the need for any phantom matter. In the simplest models, the universe contains only cold dark matter and a cosmological constant. We generalize these models by introducing a quintessence field. The new feature in our models is that quintessence leads to a crossing of the phantom divide, w = -1. This is a purely gravitational effect, and there is no phantom instability. Furthermore, the Hubble parameter is always decreasing, and there is no big rip singularity in the future. © IOP Publishing Ltd.
Fil: Chimento, Luis Pascual. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Fil: Lazkoz Ruth. Universidad del Pais Vasco - Euskal Herriko Unibertsitatea, Campus Bizkaia;
Fil: Maartens Roy. University Of Portsmouth;
Fil: Quiros Israel. Universidad Central Marta Abreu de Las Villas; Cuba. University Of Portsmouth; - Materia
-
Cosmological Applications Of Theories with Extra Dimensions
Dark Energy Theory - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/73308
Ver los metadatos del registro completo
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Crossing the phantom divide without phantom matterChimento, Luis PascualLazkoz RuthMaartens RoyQuiros IsraelCosmological Applications Of Theories with Extra DimensionsDark Energy Theoryhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1A class of braneworld models can lead to phantom-like acceleration of the late universe, but without the need for any phantom matter. In the simplest models, the universe contains only cold dark matter and a cosmological constant. We generalize these models by introducing a quintessence field. The new feature in our models is that quintessence leads to a crossing of the phantom divide, w = -1. This is a purely gravitational effect, and there is no phantom instability. Furthermore, the Hubble parameter is always decreasing, and there is no big rip singularity in the future. © IOP Publishing Ltd.Fil: Chimento, Luis Pascual. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaFil: Lazkoz Ruth. Universidad del Pais Vasco - Euskal Herriko Unibertsitatea, Campus Bizkaia;Fil: Maartens Roy. University Of Portsmouth;Fil: Quiros Israel. Universidad Central Marta Abreu de Las Villas; Cuba. University Of Portsmouth;IOP Publishing2006-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/73308Chimento, Luis Pascual; Lazkoz Ruth; Maartens Roy; Quiros Israel; Crossing the phantom divide without phantom matter; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 9; 9; 9-2006; 1-101475-7516CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1088/1475-7516/2006/09/004info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-12T09:42:25Zoai:ri.conicet.gov.ar:11336/73308instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-11-12 09:42:25.461CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Crossing the phantom divide without phantom matter |
| title |
Crossing the phantom divide without phantom matter |
| spellingShingle |
Crossing the phantom divide without phantom matter Chimento, Luis Pascual Cosmological Applications Of Theories with Extra Dimensions Dark Energy Theory |
| title_short |
Crossing the phantom divide without phantom matter |
| title_full |
Crossing the phantom divide without phantom matter |
| title_fullStr |
Crossing the phantom divide without phantom matter |
| title_full_unstemmed |
Crossing the phantom divide without phantom matter |
| title_sort |
Crossing the phantom divide without phantom matter |
| dc.creator.none.fl_str_mv |
Chimento, Luis Pascual Lazkoz Ruth Maartens Roy Quiros Israel |
| author |
Chimento, Luis Pascual |
| author_facet |
Chimento, Luis Pascual Lazkoz Ruth Maartens Roy Quiros Israel |
| author_role |
author |
| author2 |
Lazkoz Ruth Maartens Roy Quiros Israel |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Cosmological Applications Of Theories with Extra Dimensions Dark Energy Theory |
| topic |
Cosmological Applications Of Theories with Extra Dimensions Dark Energy Theory |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
A class of braneworld models can lead to phantom-like acceleration of the late universe, but without the need for any phantom matter. In the simplest models, the universe contains only cold dark matter and a cosmological constant. We generalize these models by introducing a quintessence field. The new feature in our models is that quintessence leads to a crossing of the phantom divide, w = -1. This is a purely gravitational effect, and there is no phantom instability. Furthermore, the Hubble parameter is always decreasing, and there is no big rip singularity in the future. © IOP Publishing Ltd. Fil: Chimento, Luis Pascual. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina Fil: Lazkoz Ruth. Universidad del Pais Vasco - Euskal Herriko Unibertsitatea, Campus Bizkaia; Fil: Maartens Roy. University Of Portsmouth; Fil: Quiros Israel. Universidad Central Marta Abreu de Las Villas; Cuba. University Of Portsmouth; |
| description |
A class of braneworld models can lead to phantom-like acceleration of the late universe, but without the need for any phantom matter. In the simplest models, the universe contains only cold dark matter and a cosmological constant. We generalize these models by introducing a quintessence field. The new feature in our models is that quintessence leads to a crossing of the phantom divide, w = -1. This is a purely gravitational effect, and there is no phantom instability. Furthermore, the Hubble parameter is always decreasing, and there is no big rip singularity in the future. © IOP Publishing Ltd. |
| publishDate |
2006 |
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2006-09 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/11336/73308 Chimento, Luis Pascual; Lazkoz Ruth; Maartens Roy; Quiros Israel; Crossing the phantom divide without phantom matter; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 9; 9; 9-2006; 1-10 1475-7516 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/73308 |
| identifier_str_mv |
Chimento, Luis Pascual; Lazkoz Ruth; Maartens Roy; Quiros Israel; Crossing the phantom divide without phantom matter; IOP Publishing; Journal of Cosmology and Astroparticle Physics; 9; 9; 9-2006; 1-10 1475-7516 CONICET Digital CONICET |
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eng |
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eng |
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openAccess |
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IOP Publishing |
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IOP Publishing |
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