Radiation from cosmic string standing waves

Details Radiation from cosmic string standing waves Radiation from cosmic string standing waves

1999-10-19

arxiv.org/abs/astro-ph/9910354v1

Phys.Rev.Lett. 84 (2000) 4288-4291

Astronomy and Astrophysics

Astrophysics

ReVTex, 4 pages, 4 postscript figures (including 2 compressed bitmaps) with epsf

Scientific paper

10.1103/PhysRevLett.84.4288

We have simulated large-amplitude standing waves on an Abelian-Higgs cosmic string in classical lattice field theory. The radiation rate falls exponentially with wavelength, as one would expect from the field profile around a gauge string. Our results agree with those of Shellard and Moore, but not those of Vincent, Antunes, and Hindmarsh. The radiation rate falls too rapidly to sustain a scaling solution via direct radiation of particles from string length. There is thus reason to doubt claims of strong constraints on cosmic string theories from cosmic ray observations.

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