Gauss-Bonnet brane gravity with a confining potential

Details Gauss-Bonnet brane gravity with a confining potential Gauss-Bonnet brane gravity with a confining potential

2007-02-10

arxiv.org/abs/gr-qc/0702061v1

Phys.Rev.D75:064010,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 4 figures, to appear in PRD

Scientific paper

10.1103/PhysRevD.75.064010

A brane scenario is envisaged in which the $m$-dimensional bulk is endowed with a Gauss-Bonnet term and localization of matter on the brane is achieved by means of a confining potential. The resulting Friedmann equations on the brane are modified by various extra terms that may be interpreted as the X-matter, providing a possible phenomenological explanation for the accelerated expansion of the universe. The age of the universe in this scenario is studied and shown to be consistent with the present observational data.

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