Self-excited cosmic string dynamos

Details Self-excited cosmic string dynamos Self-excited cosmic string dynamos

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334..682s&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, Aug. 25, 1988, p. 682, 683. NSF-supported research.

Mathematics

Logic

5

Dynamo Theory, String Theory, Unified Field Theory, Universe, Oscillations, Topology, Trajectory Analysis

Scientific paper

Cosmic strings, topological remnants of the earlier universe, arise in many grand unified theories. These strings are superconductors in the sense that any induced constant current will persist. The persistence is guaranteed by topological index theorems, but no such theorem exists for alternating currents, which can be damped by radiation or (as the authors report) can even grow exponentially through dynamo self-interaction. This mechanism converts the mechanical energy of the string into electromagnetic fields.

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