The effects of galaxy formation on the matter power spectrum: a challenge for precision cosmology

@inproceedings{Daalen2011TheEO,
  title={The effects of galaxy formation on the matter power spectrum: a challenge for precision cosmology},
  author={Marcel P. van Daalen and Joop Schaye and Craig M. Booth and Claudio Dalla Vecchia Leiden Observatory and Leiden University Max Planck Institute for Astrophysics M Physics},
  year={2011}
}
Upcoming weak lensing surveys, such as LSST, EUCLID and WFIRST, aim to measure the matter power spectrum with unprecedented accuracy. In order to fully exploit these observations, models are needed that, given a set of cosmological parameters, can predict the non-linear matter power spectrum at the level of 1 per cent or better for scales corresponding to comoving wavenumbers 0.1 k 10h Mpc −1 . We have employed the large suite of simulations from the OverWhelmingly Large Simulations (OWLS… CONTINUE READING

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