Abstract
view Abstract Citations (19) References (25) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Tilted Cold Dark Matter Models Confront the Cosmic Microwave Background and the Galaxy Peculiar Velocity Field Muciaccia, Pio F. ; Mei, Simona ; de Gasperis, Giancarlo ; Vittorio, Nicola Abstract We study tilted cold dark matter (CDM) models, that is {OMEGA}_0_ = 1 models with a primordial spectral index n <~ 1. We test these models against three experiments on the cosmic microwave background anisotropy at 7', 3^deg^, and 6^deg^, and against measurements of galaxy peculiar velocities on large scales. These observations together suggest that the whole class of tilted CDM models with n <= 1 can be ruled out, for any value of the biasing parameter b. Subject headings cosmic microwave background - dark matter - galaxies: formation Publication: The Astrophysical Journal Pub Date: June 1993 DOI: 10.1086/186880 Bibcode: 1993ApJ...410L..61M Keywords: Dark Matter; Galactic Evolution; Relic Radiation; Velocity Distribution; Astronomical Models; Gravitational Waves; Astrophysics; COSMOLOGY: COSMIC MICROWAVE BACKGROUND; COSMOLOGY: DARK MATTER; GALAXIES: FORMATION full text sources ADS |
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