Oscillation damping of chiral string loops

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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10 pages, 2 figures. Accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.66.025007

Chiral cosmic string loop tends to the stationary (vorton) configuration due to the energy loss into the gravitational and electromagnetic radiation. We describe the asymptotic behaviour of near stationary chiral loops and their fading to vortons. General limits on the gravitational and electromagnetic energy losses by near stationary chiral loops are found. For these loops we estimate the oscillation damping time. We present solvable examples of gravitational radiation energy loss by some chiral loop configurations. The analytical dependence of string energy with time is found in the case of the chiral ring with small amplitude radial oscillations.

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