Radiation of Goldstone bosons from cosmic strings

Details Radiation of Goldstone bosons from cosmic strings Radiation of Goldstone bosons from cosmic strings

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..35.1138v&link_type=abstract

Physical Review D (Particles and Fields), Volume 35, Issue 4, 15 February 1987, pp.1138-1140

Physics

94

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

It is shown that the interaction of global strings with Goldstone bosons can be described by a model of strings coupled to an antisymmetric tensor field with a particular choice of the coupling constant. This formalism is applied to calculate the rate of Goldstone-boson radiation from a class of closed-loop trajectories. The lifetime of a typical loop is found to be very short, about twenty oscillation periods, in agreement with an earlier estimate by Davis.

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