Cosmic string scaling in flat space

Vitaly Vanchurin, Ken Olum, Alexander Vilenkin

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

We investigate the evolution of infinite strings as a part of a complete cosmic string network in flat space. We perform a simulation of the network which uses functional forms for the string position and thus is exact to the limits of computer arithmetic. Our results confirm that the wiggles on the strings obey a scaling law described by universal power spectrum. The average distance between long strings also scales accurately with the time. These results suggest that small-scale structure will also scale in an expanding universe, even in the absence of gravitational damping.

Original languageEnglish (US)
Article number063514
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume72
Issue number6
DOIs
StatePublished - Sep 15 2005

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