Induced cosmology on a codimension-2 brane in a conical bulk

Details Induced cosmology on a codimension-2 brane in a conical bulk Induced cosmology on a codimension-2 brane in a conical bulk

2009-12-03

arxiv.org/abs/0912.0616v2

Nucl.Phys.B845:246-256,2011

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 1 figure. Corrections and clarifications troughout the text. Match the published version on NPB

Scientific paper

10.1016/j.nuclphysb.2010.12.006

We study the cosmology of a 5-dimensional brane, which represents a regularization of a 4-dimensional codimension-2 brane, embedded in a conical bulk. The brane is assumed to be tensional, and to contain a curvature term. Cosmology is obtained by letting the brane move trough the bulk, and implementing dynamical junction conditions. Our results shows that, with suitable choices of the parameters, the resulting cosmological dynamics mimics fairly well standard 4-dimensional cosmology.

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