Dark matter and theories of galaxy formation

Details Dark matter and theories of galaxy formation Dark matter and theories of galaxy formation

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992daec.conf..350l&link_type=abstract

In Distribution of Matter in the Universe, 2nd DAEC mtg, ed. G.A. Mamon and D. Gerbal (Meudon: Obs. de Paris) p. 350-355

Computer Science

Scientific paper

Models for the Great Attractor (hereafter, GA) are presented for adiabatic Gaussian perturbation theories. We argue for extra power (approx 30%) in the primordial perturbation amplitudes on scales approx 10-100 h^-1 Mpc (and probably larger) in comparison with the standard CDM spectrum. A crucial test for this conjecture is the related Delta T/T approx 10^-5 expected on a few degrees of arc (and, probably up to the quadrupole). We discuss hybrid models with cold and hot particles that can explain the required spectrum.

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