Dark energy cosmologies for codimension-two branes

Details Dark energy cosmologies for codimension-two branes Dark energy cosmologies for codimension-two branes

2005-01-07

arxiv.org/abs/hep-th/0501049v1

Nucl.Phys. B726 (2005) 75-92

Physics

High Energy Physics

High Energy Physics - Theory

18 pages

Scientific paper

10.1016/j.nuclphysb.2005.07.037

A six-dimensional universe with two branes in the "football-shaped" geometry leads to an almost realistic cosmology. We describe a family of exact solutions with time dependent characteristic size of internal space. After a short inflationary period the late cosmology is either of quintessence type or turns to a radiation dominated Friedmann universe where the cosmological constant appears as a free integration constant of the solution. The radiation dominated universe with relativistic fermions is analyzed in detail, including its dimensional reduction.

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