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Formation of large-scale structure from cosmic-string loops and cold dark matter (1987)

Melott, Adrian L. ; Scherrer, Robert J.

In: Other Sources

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Publication Date: 2011-08-19

Description: Some results from a numerical simulation of the formation of large-scale structure from cosmic-string loops are presented. It is found that even though G x mu is required to be lower than 2 x 10 to the -6th (where mu is the mass per unit length of the string) to give a low enough autocorrelation amplitude, there is excessive power on smaller scales, so that galaxies would be more dense than observed. The large-scale structure does not include a filamentary or connected appearance and shares with more conventional models based on Gaussian perturbations the lack of cluster-cluster correlation at the mean cluster separation scale as well as excessively small bulk velocities at these scales.

Keywords: ASTROPHYSICS

Type: Nature (ISSN 0028-0836); 328; 691-694

Format: text

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