Multiscale approach to inhomogeneous cosmologies

Details Multiscale approach to inhomogeneous cosmologies Multiscale approach to inhomogeneous cosmologies

2011-03-08

arxiv.org/abs/1103.1531v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages, 4 figures, contributed talk at the Workshop: New Directions in Modern Cosmology, Leiden, The Netherlands, 27.9.-1.10.

Scientific paper

The backreaction of inhomogeneities on the global expansion history of the Universe suggests a possible link of the formation of structures to the recent accelerated expansion. In this paper, the origin of this conjecture is illustrated and a model without Dark Energy that allows for a more explicit investigation of this link is discussed. Additionally to this conceptually interesting feature, the model leads to a LCDM-like distance-redshift relation that is consistent with SN data.

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