Electromagnetic radiation from superconducting string cusps

Details Electromagnetic radiation from superconducting string cusps Electromagnetic radiation from superconducting string cusps

2000-08-18

arxiv.org/abs/astro-ph/0008297v1

Nucl.Phys.B599:435-445,2001

Astronomy and Astrophysics

Astrophysics

12 pages, LaTex, 2 figures

Scientific paper

10.1016/S0550-3213(00)00771-9

Cusps in superconducting cosmic strings produce strongly beamed electromagnetic radiation. To calculate the energy emitted requires taking into account the effect of the charge carriers on the string motion, which has previously been done only heuristically. Here, we use the known exact solution to the equations of motion for the case where the current is chiral to update previous calculations for the total energy, spectrum and angular distribution in that case. We analyze the dependence of the radiated energy on the cusp parameters, and discuss which types of cusp dominate the total radiation emitted from an ensemble.

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