Cosmic Acceleration and Extra Dimensions

Details Cosmic Acceleration and Extra Dimensions Cosmic Acceleration and Extra Dimensions

2008-11-24

arxiv.org/abs/0811.3839v1

Astronomy and Astrophysics

Astrophysics

10 pages, 3 figures. Invited contribution to "Problems of Modern Cosmology", special volume commemorating the fiftieth birthda

Scientific paper

Brane cosmology presents many interesting possibilities including: phantom acceleration (w<-1), self-acceleration, unification of dark energy with inflation, transient acceleration, loitering cosmology, new singularities at which the Hubble parameter remains finite, cosmic mimicry, etc. The existence of a time-like extra dimension can result in a singularity-free cyclic cosmology.

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