Large-scale structure in a universe with mixed hot and cold dark matter

Details Large-scale structure in a universe with mixed hot and cold dark matter Large-scale structure in a universe with mixed hot and cold dark matter

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.359..393d&link_type=abstract

Nature (ISSN 0028-0836), vol. 359, no. 6394, p. 393-396.

Statistics

243

Dark Matter, Mass Distribution, Neutrinos, Neutron Flux Density, Universe, Computerized Simulation, Fermi-Dirac Statistics, Galactic Structure, Jeans Theory

Scientific paper

High resolution numerical simulations are used here to examine the formation of structure in a mixed dark matter model containing 70 percent cold dark matter (CDM) and 30 percent hot dark matter, the latter in the form of massive neutrinos. This model behaves like a CDM model in which the biasing factor varies from 2.5 on small scales to less than one on large scales, and can provide a consistent explanation of both the shape of the observed fluctuation spectrum and the difference in estimates of the cosmic density Omega on small and large scales.

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