Initial power spectrum shape
Abstract
Description
Mainly used to set constraints on cosmological parameters, CMB anisotropies can give information on primordial universe. Unfortunately, initial conditions and late time cosmology are degenerated. I focus on the effect of the shape of the initial power spectrum of fluctuations on the cosmological parameter estimation from CMB temperature anisotropies. Strong constraints obtained using a priori knowledge of the initial spectrum disappear when the latter is let free.
4 pages, Proceedings SF2A 2004 conference, Paris, eds.: F. Combes, D. Barret, T. Contini, F. Meynadier and L. Pagani
4 pages, Proceedings SF2A 2004 conference, Paris, eds.: F. Combes, D. Barret, T. Contini, F. Meynadier and L. Pagani