Backreaction in Late-Time Cosmology

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http://hdl.handle.net/10138/310417

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Buchert , T & Räsänen , S 2012 , ' Backreaction in Late-Time Cosmology ' , Annual Review of Nuclear and Particle Science , vol. 62 , pp. 57-79 . https://doi.org/10.1146/annurev.nucl.012809.104435

Title: Backreaction in Late-Time Cosmology
Author: Buchert, Thomas; Räsänen, Syksy
Contributor: University of Helsinki, Department of Physics
Date: 2012-10-24
Language: eng
Number of pages: 25
Belongs to series: Annual Review of Nuclear and Particle Science
ISSN: 0163-8998
URI: http://hdl.handle.net/10138/310417
Abstract: We review the effect of the formation of nonlinear structures on the expansion rate, spatial curvature, and light propagation in the universe, focusing on the possibility that this effect could explain cosmological observations without requiring the introduction of dark energy or modified gravity. We concentrate on explaining the relevant physics and highlighting open questions.
Subject: 114 Physical sciences
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