Bulk gravitons from a cosmological brane | Zendy

David Langlois | Zendy; Lorenzo Sorbo | Zendy

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Bulk gravitons from a cosmological brane

Author(s) -

David Langlois,

Lorenzo Sorbo

Publication year - 2003

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.68.084006

Subject(s) - graviton , physics , brane , cosmology , brane cosmology , dark energy , de sitter universe , dark radiation , spacetime , theoretical physics , particle physics , astrophysics , gravitation , classical mechanics , quantum mechanics , universe

We investigate the emission of gravitons by a cosmological brane into an Antide Sitter five-dimensional bulk spacetime. We focus on the distribution ofgravitons in the bulk and the associated production of `dark radiation' in thisprocess. In order to evaluate precisely the amount of dark radiation in thelate low-energy regime, corresponding to standard cosmology, we studynumerically the emission, propagation and bouncing off the brane of bulkgravitons.Comment: 27 pages, 5 figures, minor corrections. Final versio

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