The Dyer-Roeder relation in a universe with particle production

Details The Dyer-Roeder relation in a universe with particle production The Dyer-Roeder relation in a universe with particle production

2003-09-27

arxiv.org/abs/astro-ph/0309747v3

Astron.Astrophys.422:401-405,2004

Astronomy and Astrophysics

Astrophysics

7 pages, 4 figures. Accepted to be published in the Astronomy and Astrophysics Journal

Scientific paper

10.1051/0004-6361:20040187

We have obtained analytical exact solutions of the Dyer-Roeder equation in a cosmological model where creation of particles occurs at the expenses of the gravitational field. We discussed the influences of inhomogeneities in the path of a light beam on the apparent diameter of astrophysical objects and consider both redshift independent as redshift dependent distributions of the inhomogeneities.

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