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  Generation of structure on a cosmic-string network

Allen, B., & Caldwell, R. R. (1990). Generation of structure on a cosmic-string network. Physical Review Letters, 65(14), 1705-1708. doi:10.1103/PhysRevLett.65.1705.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5CF3-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5CF4-8
Genre: Journal Article

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prl65-1705.pdf (Publisher version), 672KB
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Allen, Bruce1, Author              
Caldwell, R. R., Author
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1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              

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 Abstract: When cosmic strings cross and intercommute, four kinks are created. We calculate the linear density of these kinks, K(t), in an expanding universe. After a period of rapid initial growth, K(t) approaches the scaling K(t)∝t-1. However, due to the slow decay of kinks, the kink density is orders of magnitude larger than one might expect. Thus, we predict that a single horizon-length segment should have ≊106 kinks in the radiation-dominated era. This may explain the lack of scaling behavior in the formation of loops observed in numerical simulations.

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 Dates: 1990-04
 Publication Status: Published in print
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 65 (14) Sequence Number: - Start / End Page: 1705 - 1708 Identifier: ISSN: 1079-7114