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Generating primordial magnetic fields from superconducting cosmic strings.

Research output: Contribution in Book/Report/ProceedingsChapter

Published

Publication date1998
Host publicationCOSMO 97: 1st International Workshop on Particle Physics and the Early Universe
PublisherWorld Scientific
Pages411-413
Number of pages3
Original languageEnglish

Abstract

We explore the generation of a primordial magnetic field by a network of charged-current carrying cosmic strings. The field is created by vorticity, generated in the primordial plasma due to the strings' motion and gravitational pull. In the case of superconducting strings formed at the breaking of grand unification, it is found that string magnetic fields of high coherence can be generated, which could account for the observed galactic and intergalactic magnetic fields.