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ID: 403587.0, MPI für Gravitationsphysik / Observational Relativity and Cosmology
Cosmic-string evolution: A numerical simulation
Authors:Allen, Bruce; Shellard, E. P. S.
Date of Publication (YYYY-MM-DD):1990-11
Title of Journal:Physical Review Letters
Volume:64
Issue / Number:2
Start Page:119
End Page:122
Review Status:not specified
Audience:Not Specified
Abstract / Description:A system of intercommuting cosmic strings is numerically evolved in a homogeneous radiation-dominated expanding universe. Further evidence for the existence of a ‘‘scaling’’ solution is presented, and results for the long-string energy density are given. Long strings exhibit significant small-scale structure—kinks and short-wavelength propagating modes. Net loop production is observed to be strongly peaked at scales considerably smaller than the horizon, and reasons for this severe fragmentation are briefly discussed. The new numerical techniques employed are also described.
External Publication Status:published
Document Type:Article
Communicated by:Bruce Allen
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Observational Relativity and Cosmology
External Affiliations:Department of Physics, University of Wisconsin–Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201, USA
Identifiers:ISSN:1079-7114
DOI:10.1103/PhysRevLett.64.119
URL:http://link.aps.org/doi/10.1103/PhysRevLett.64.119
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