Cosmic strings and cold matter

Details Cosmic strings and cold matter Cosmic strings and cold matter

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...303l..21s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 303, April 15, 1986, p. L21-L25.

Physics

64

Cosmology, Galactic Evolution, Matter (Physics), String Theory, Gravitational Collapse, Mass Distribution, Perturbation

Scientific paper

The author presents a model of the formation of bound objects induced by loops of cosmic string in a universe dominated by cold matter. It is shown that accretion before Zeq is important. Large objects the size of the Virgo supercluster will have collapsed by the present epoch. Collapse will continue to occur for z < Ω0-1. Galaxies are formed predominantly by secondary infall. The velocity dispersion of collapsed objects as a function of mass seems tenable.

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