Figure 24

Figure 24: The power spectrum of the 2dFGRS. The points with error bars show the measured 2dFGRS power spectrum measurements in redshift space, convolved with the window function. Also plotted are linear CDM models with neutrino contribution of $Ων = 0$ , $Ω ν = 0.01$ , and $Ω ν = 0.05$ (bottom to top lines). The other parameters are fixed to the concordance model. The good fit of the linear theory power spectrum at $k > 0.15h Mpc −1$ is due to a conspiracy between the non-linear gravitational growth and the finger-of-God smearing [72]. (Figure taken from [20].)