Perturbations from cosmic strings in cold dark matter

Details Perturbations from cosmic strings in cold dark matter Perturbations from cosmic strings in cold dark matter

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvl..68.2121a&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 68, April 6, 1992, p. 2121-2124. Research supported by DOE. Previously announced

Physics

78

Cosmology, Dark Matter, Perturbation Theory, String Theory, Normal Density Functions, Power Spectra

Scientific paper

A systematic linear analysis of the perturbations induced by cosmic strings in cold dark matter is presented. The power spectrum is calculated and it is found that the strings produce a great deal of power on small scales. It is shown that the perturbations on interesting scales are the result of many uncorrelated string motions, which indicates a much more Gaussian distribution than was previously supposed.

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