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Cosmic-string evolution: A numerical simulation

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Allen, B., Shellard, E. P. S.·1990·Physical Review Letters

Abstract

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.

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Metadata

Authors
Allen, B., & Shellard, E. P. S.
Venue
Physical Review Letters
Published
1990-01-08
Volume
64
Issue
2
Pages
119-122
ISSN
0031-9007 (ISSN-L)
OpenAlex
W2076887707
Cited by
486
References
0
FWCI
40.28
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Cosmic-string evolution: A numerical simulation. https://app.cochat.ai/papers/10.1103/physrevlett.64.119
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Allen, B., & Shellard, E. P. S. (1990). Cosmic-string evolution: A numerical simulation. Physical Review Letters. https://doi.org/10.1103/physrevlett.64.119

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