期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 19, 页码 4288-4291出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.4288
关键词
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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 Moore and Shellard, but not with 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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