Mixed Dark Matter Models: new Look of the Year

Details Mixed Dark Matter Models: new Look of the Year Mixed Dark Matter Models: new Look of the Year

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.528m&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

An analysis of cosmological models with mixed dark matter and power-law spectra of density perturbations is presented. This analysis is based on Press-Schechter formalism and CMB anisotropy at large (10 angular degrees) and medium scales (the Doppler peak). We found an interval for the baising parameter b^{-1} equiv sigma_8 = 0.5 +- 0.1 and used sigma_8 = 0.5 to normalize the spectra of density perturbations; (2) father we simulated numerically Delta T/Tvert_{10^0} and the relative contribution of T/S, which is necessary to satisfy the COBE result; (3) taking into account found T/S we calculated the amplitude and location of the Doppler peak and compared them with the same quantities in the standard CDM models normalized by COBE.

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