Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...287..693s&link_type=abstract
Astronomy and Astrophysics 287, 693-712 (1994)
Astronomy and Astrophysics
Astrophysics
21
Cosmology: Theory, Cosmic Microwave Background, Dark Matter
Scientific paper
Numerical analysis of the evolution of cosmological perturbations and methods of computation of the present-day anisotropies of the cosmic microwave background (CMB) are presented and discussed in detail. As an application a number of cosmological models are considered, including: cold dark matter (CDM), hot dark matter (HDM), mixed dark matter (CPHDM), and models with non-zero cosmological constant (CDM-{LAMBDA}). The after-COBE status of these models is explained. Special attention is paid to the dependence of the temperature fluctuations on the baryon content of the model. The predictions for previous and ongoing experiments are given and compared to the present observational limits. It is argued that the recent measurements on degree scale together with COBE detection put most of the popular models into serious troubles.
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