Testing deviations from ΛCDM with growth rate measurements from six large-scale structure surveys at $z = $0.06–1

@article{Alam2016TestingDF,
  title={Testing deviations from ΛCDM with growth rate measurements from six large-scale structure surveys at \$z = \$0.06–1},
  author={S. Alam and S. Ho and A. Silvestri},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2016},
  volume={456},
  pages={3743-3756}
}
We use measurements from the Planck satellite mission and galaxy redshift surveys over the last decade to test three of the basic assumptions of the standard model of cosmology, ΛCDM (Λ cold dark matter): the spatial curvature of the universe, the nature of dark energy and the laws of gravity on large scales. We obtain improved constraints on several scenarios that violate one or more of these assumptions. We measure w_0 = −0.94 ± 0.17 (18 per cent measurement) and 1 + w_a = 1.16 ± 0.36 (31 per… Expand
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