Supernovae Constraints on DGP Model and Cosmic Topology

Details Supernovae Constraints on DGP Model and Cosmic Topology Supernovae Constraints on DGP Model and Cosmic Topology

2007-02-16

arxiv.org/abs/astro-ph/0702428v2

Conf.Proc.C0607233:1824-1828,2008

Astronomy and Astrophysics

Astrophysics

4 pages, 1 fig. To appear in the Proc. of 11th Marcel Grossmann Meeting on General Relativity. Latex2e, World Scientific proc.

Scientific paper

We study the constraints that the detection of a non-trivial spatial topology may place on the parameters of braneworld models by considering the Dvali-Gabadadze-Porrati (DGP) and the globally homogeneous Poincar\'e dodecahedral spatial (PDS) topology as a circles-in-the-sky observable topology. To this end we reanalyze the type Ia supernovae constraints on the parameters of the DGP model and show that PDS topology gives rise to strong and complementary constraints on the parameters of the DGP model.

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