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Phys. Rev. Lett. 60, 760 - 763 (1988)

Chaotic flows and magnetic dynamos

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John M. Finn and Edward Ott
Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742

Received 3 November 1987

Examples of time-dependent kinematic magnetic dynamos arising from chaotic flows in the zero-resistivity limit are presented. These examples suggest that typically (1) the flux concentrates on a fractal, and (2) the magnetic field exhibits arbitrarily fine-scaled oscillations between parallel and antiparallel directions. Results quantitatively relating these effects to the dynamo growth rate are presented.


©1988 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.60.760
DOI: 10.1103/PhysRevLett.60.760
PACS: 05.45.+b, 47.20.Tg, 52.30.-q

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