Bigravity : A bimetric model of the Universe. Positive and negative gravitational lensings

Details Bigravity : A bimetric model of the Universe. Positive and negative gravitational lensings Bigravity : A bimetric model of the Universe. Positive and negative gravitational lensings

2008-01-09

arxiv.org/abs/0801.1477v1

Physics

General Physics

19 pages, 20 figures

Scientific paper

After a short summary of our bimetric model of the Universe, an exact nonlinear solution is built, which demonstrates the existence of solutions for our two coupled field equations system. In addition to the classical positive gravitational lensing, this solution is shown to also lead to negative gravitational lensing, a phenomenon previously described in 1995 (Astrophysics and Space Science). Such negative lensing provides an alternative interpretation for the observed faint magnitudes of high redshift galaxies, so far considered as dwarf galaxies.

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