The large-scale peculiar velocity field in flat models of the universe

Details The large-scale peculiar velocity field in flat models of the universe The large-scale peculiar velocity field in flat models of the universe

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8720864v&link_type=abstract

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Mathematics

Logic

Mass, Models, Universe, Velocity Distribution, Big Bang Cosmology, Dark Matter, Relativity

Scientific paper

The inflationary Universe scenario predicts a flat Universe and both adiabatic and isocurvature primordial density perturbations with the Zel'dovich spectrum. The two simplest realizations, models dominated by hot or cold dark matter, seem to be in conflict with observations. Flat models are examined with two components of mass density, where one of the components of mass density is smoothly distributed and the large-scale (greater than or equal to 10h/1 MpC) peculiar velocity field for these models is considered. For the smooth component relativistic particles, a relic cosmological term, and light strings are considered. At present the observational situation is unsettled; but, in principle, the large-scale peculiar velocity field is a very powerful discriminator between these different models.

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