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Dark energy from backreaction

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Published in Journal of Cosmology and Astroparticle Physics. 2004, vol. 02, no. 003, p. 21
Abstract We consider the effect of inhomogeneities on the expansion of the Einstein–de Sitter universe. We find that the back-reaction 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 back-reaction could account for present-day acceleration.
Keywords dark matterdark energy theorycosmological perturbation theory
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RASANEN, Syksy. Dark energy from backreaction. In: Journal of Cosmology and Astroparticle Physics, 2004, vol. 02, n° 003, p. 21. doi: 10.1088/1475-7516/2004/02/003 https://archive-ouverte.unige.ch/unige:2555

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Deposited on : 2009-08-31

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