A tilted cold dark matter cosmological scenario

Details A tilted cold dark matter cosmological scenario A tilted cold dark matter cosmological scenario

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...399l..11c&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 399, no. 1, p. L11-L14.

Mathematics

Logic

122

Cosmology, Dark Matter, Evolution (Development), Universe, Astronomical Models, Perturbation Theory, Power Spectra

Scientific paper

A new cosmological scenario based on CDM but with a power spectrum index of about 0.7-0.8 is suggested. This model is predicted by various inflationary models with no fine tuning. This tilted CDM model, if normalized to COBE, alleviates many problems of the standard CDM model related to both small-scale and large-scale power. A physical bias of galaxies over dark matter of about two is required to fit spatial observations.

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