On brane cosmological solutions

Details On brane cosmological solutions On brane cosmological solutions

2002-03-25

arxiv.org/abs/hep-th/0203224v1

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, Latex2e

Scientific paper

This paper presents some cosmological consequences of the five dimensional, two brane Randall-Sundrum brane scenario. The radius of the compact extra dimension is taken to be time dependent. It is shown that the cosmology consistent with the two brane Randall-Sundrum model is a power law expansion of the universe, with scale factor growing as $t^{1/2}$. The two branes tend to move towards each other with time. Some comments are made on the contribution of surface terms in deriving the four dimensional effective action.

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