Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2004/02/003
Keywords
dark matter; dark energy theory; cosmological perturbation theory
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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.
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