Dark energy from back-reaction
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- 1 February 2004
- journal article
- Published by IOP Publishing in Journal of Cosmology and Astroparticle Physics
- Vol. 2004 (02) , 003
- https://doi.org/10.1088/1475-7516/2004/02/003
Abstract
We consider the effect of inhomogeneities on the expansion of the Einstein-de Sitter universe. We find that the backreaction of linear scalar metric perturbations results in apparent dark energy with a mixture of equations of state between 0 and -4/3. We discuss the possibility that backreaction could account for present-day acceleration.Keywords
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