The accelerating universe in brane-world cosmology
arXiv:astro-ph/0208223 · doi:10.1016/j.physletb.2003.12.079
Abstract
The standard Friedmann universe embedded in a five dimensional and constant curvature bulk is examined without any a priori junction condition between the brane and the bulk. A geometrical explanation for the accelerated expansion of the universe is derived by using a minimum set of assumptions consistent with the brane-world program. It is shown that the extrinsic curvature of the brane can be associated to the dark energy which presumably drives the universe expansion.
Revtex, 4 pages
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