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Paper detail

Multiscale approach to inhomogeneous cosmologies

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.

preprint2011arXivOpen access
Alexander WiegandThomas Buchert
astro-ph.COgr-qc
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Alexander WiegandThomas Buchert

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