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Abstract:

We investigate the link between the warp function and the potential in Dirac-Born-Infeld (DBI) power-law cosmologies. We give a prescription to take advantage of the fact that there is always a choice of potential resulting in a constant ratio between pressure and energy density for a given a warp factor. We illustrate the method with several examples, and complete the investigation by showing how symmetries can be used to generate new DBI solutions from existing ones. © 2008 Springer Science+Business Media, LLC.

Registro:

Documento: Artículo
Título:Bridging geometries and potentials in DBI cosmologies
Autor:Chimento, L.P.; Lazkoz, R.
Filiación:Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Fisika Teorikoa, Zientzia eta Teknologia Fakultatea, Euskal Herriko Unibertsitatea, 644 Posta Kutxatila, 48080 Bilbao, Spain
Palabras clave:DBI model; Inflation; Scalar fields
Año:2008
Volumen:40
Número:12
Página de inicio:2543
Página de fin:2555
DOI: http://dx.doi.org/10.1007/s10714-008-0637-1
Título revista:General Relativity and Gravitation
Título revista abreviado:Gen. Relativ. Gravit.
ISSN:00017701
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00017701_v40_n12_p2543_Chimento

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Citas:

---------- APA ----------
Chimento, L.P. & Lazkoz, R. (2008) . Bridging geometries and potentials in DBI cosmologies. General Relativity and Gravitation, 40(12), 2543-2555.
http://dx.doi.org/10.1007/s10714-008-0637-1
---------- CHICAGO ----------
Chimento, L.P., Lazkoz, R. "Bridging geometries and potentials in DBI cosmologies" . General Relativity and Gravitation 40, no. 12 (2008) : 2543-2555.
http://dx.doi.org/10.1007/s10714-008-0637-1
---------- MLA ----------
Chimento, L.P., Lazkoz, R. "Bridging geometries and potentials in DBI cosmologies" . General Relativity and Gravitation, vol. 40, no. 12, 2008, pp. 2543-2555.
http://dx.doi.org/10.1007/s10714-008-0637-1
---------- VANCOUVER ----------
Chimento, L.P., Lazkoz, R. Bridging geometries and potentials in DBI cosmologies. Gen. Relativ. Gravit. 2008;40(12):2543-2555.
http://dx.doi.org/10.1007/s10714-008-0637-1