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Enhancement of Galactic Dynamos by Density Waves

Published online by Cambridge University Press:  19 July 2016

Makoto Tosa
Affiliation:
Astronomical Institute, Tohoku University, Sendai, 980 Japan
Masashi Chiba
Affiliation:
Astronomical Institute, Tohoku University, Sendai, 980 Japan

Abstract

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We examine effects of density waves on the local galactic αω-dynamo. Oscillations of the magnetic field and the dynamo parameters due to the density wave perturbation irreversibly couple with the dynamo action to enhance the growth of the magnetic fields.

Type
4. Magnetohydrodynamics of Galactic Magnetic Fields
Copyright
Copyright © Kluwer 1990 

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