Non-conventional cosmology from a brane-universe

Details Non-conventional cosmology from a brane-universe Non-conventional cosmology from a brane-universe

1999-05-03

arxiv.org/abs/hep-th/9905012v2

Nucl.Phys.B565:269-287,2000

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, Latex; minor additions

Scientific paper

10.1016/S0550-3213(99)00696-3

We consider ``brane-universes'', where matter is confined to four-dimensional hypersurfaces (three-branes) whereas one extra compact dimension is felt by gravity only. We show that the cosmology of such branes is definitely different from standard cosmology and identify the reasons behind this difference. We give a new class of exact solutions with a constant five-dimensional radius and cosmologically evolving brane. We discuss various consequences.

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