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07 February 2025
 
  » arxiv » astro-ph/0412022

 Article overview



Initial power spectrum shape
Marian Douspis ;
Date 1 Dec 2004
Subject astro-ph
AbstractMainly 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.
Source arXiv, astro-ph/0412022
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