A possible origin of superconducting currents in cosmic strings

Details A possible origin of superconducting currents in cosmic strings A possible origin of superconducting currents in cosmic strings

2002-06-26

arxiv.org/abs/hep-ph/0206275v1

NewJ.Phys.4:65,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages Latex, 4 figues/eps

Scientific paper

10.1088/1367-2630/4/1/365

The scattering and capture of right-handed neutrinos by an Abelian cosmic string in the SO(10) grand unification model are considered. The scattering cross-section of neutrinos per unit length due to the interaction with the gauge and Higgs fields of the string is much larger in its scaling regime than in the friction one because of the larger infrared cutoff of the former.The probability of capture in a zero mode of the string accompanied by the emission of a gauge or Higgs boson shows a resonant peak for neutrino momentum of the order of its mass. Considering the decrease of number of strings per unit comoving volume in the scaling epoch the cosmological consequences of the superconducting strings formed in this regime will be much smaller than those which could be produced already in the friction one.

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