Scale dependence of cosmological backreaction

@inproceedings{Li2008ScaleDO,
  title={Scale dependence of cosmological backreaction},
  author={Nan Li and Dominik J. Schwarz},
  year={2008}
}
Due to the non-commutation of spatial averaging and temporal evolution, inhomogeneities and anisotropies (cosmic structures) influence the evolution of the averaged Universe via the cosmological backreaction mechanism. We study the backreaction effect as a function of averaging scale in a perturbative approach up to higher orders. We calculate the hierarchy of the critical scales, at which 10% effects show up from averaging at different orders. The dominant contribution comes from the averaged… CONTINUE READING

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