Reproducing Cosmic Microwave Background anisotropies with mixed isocurvature perturbations

Details Reproducing Cosmic Microwave Background anisotropies with mixed isocurvature perturbations Reproducing Cosmic Microwave Background anisotropies with mixed isocurvature perturbations

2001-04-02

arxiv.org/abs/astro-ph/0104017v2

Phys.Rev.Lett. 87 (2001) 231301

Astronomy and Astrophysics

Astrophysics

4 pages, 5 figures, submitted to PRL; Major changes following referees suggestions; the allowed cosmological parameter range e

Scientific paper

10.1103/PhysRevLett.87.231301

Recently high quality data of the cosmic microwave background anisotropies have been published. In this work we study to which extent the cosmological parameters determined by using this data depend on assumptions about the initial conditions. We show that for generic initial conditions, not only the best fit values are very different but, and this is our main result, the allowed parameter range enlarges dramatically.

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