Bridging geometries and potentials in DBI cosmologies

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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 f...

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Detalles Bibliográficos
Autor principal: Chimento, L.P
Otros Autores: Lazkoz, R.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Chimento, L.P. 
245 1 0 |a Bridging geometries and potentials in DBI cosmologies 
260 |c 2008 
270 1 0 |m Lazkoz, R.; Fisika Teorikoa, Zientzia eta Teknologia Fakultatea, Euskal Herriko Unibertsitatea, 644 Posta Kutxatila, 48080 Bilbao, Spain; email: ruth.lazkoz@ehu.es 
506 |2 openaire  |e Política editorial 
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520 3 |a 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.  |l eng 
536 |a Detalles de la financiación: FIS2004-01626 
536 |a Detalles de la financiación: Universidad de Buenos Aires, X224 
536 |a Detalles de la financiación: Consejo Superior de Investigaciones Científicas, 5169 
536 |a Detalles de la financiación: Euskal Herriko Unibertsitatea, GIU06/37 
536 |a Detalles de la financiación: Acknowledgments We thank A. Feinstein, A. Díez-Tejedor, and M. Spalinski for enlightening conversations. L.P.C. is partially supported by the University of Buenos Aires for partial support under project X224, and the Consejo Nacional de Investigaciones Científicas y Técnicas under project 5169. R.L. is supported by the University of the Basque Country through research grant GIU06/37, and by the Spanish Ministry of Education and Culture through research grant FIS2004-01626. 
593 |a Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina 
593 |a Fisika Teorikoa, Zientzia eta Teknologia Fakultatea, Euskal Herriko Unibertsitatea, 644 Posta Kutxatila, 48080 Bilbao, Spain 
690 1 0 |a DBI MODEL 
690 1 0 |a INFLATION 
690 1 0 |a SCALAR FIELDS 
700 1 |a Lazkoz, R. 
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