Table 1
Fiducial cosmological parameters consistent with the WMAP 7-years results, and the underlying true parameters consistent with Planck.
| σ 8 | Ωm | ΩΛ | w 0 | n s | h | Ωb | |
|
|
|||||||
| Fiducial | 0.8 | 0.27 | 0.73 | − 1.0 | 0.97 | 0.70 | 0.045 |
|
|
|||||||
| True | 0.83 | 0.31 | 0.68 | − 1.1 | 0.96 | 0.67 | 0.049 |
Notes. The normalization of the power spectrum, σ8, is the standard deviation of perturbations in a sphere of radius 8 h-1 Mpc today. Ωm, ΩΛ, and Ωb are the matter, the dark energy and the baryonic matter density parameters, respectively. w0 is the dark energy equation of state parameter, which is equal to the ratio of dark energy pressure to its density. The spectral index ns is the power of the initial power spectrum. The dimensionless Hubble parameter, h, characterizes the rate of expansion today.
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