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Enhancement of Galactic Dynamos by Density Waves

Published online by Cambridge University Press:  19 July 2016

Makoto Tosa  and
Masashi Chiba
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
Information
Symposium - International Astronomical Union , Volume 140: Galactic and Intergalactic Magnetic Fields , 1990 , pp. 127 - 130
Copyright
Copyright © Kluwer 1990 

References

Parker, E.N. 1980, Cosmical Magnetic Fields (Oxford: Clearendon Press).Google Scholar
Roberts, W.W. 1969, Ap.J. , 158,123.Google Scholar
Roberts, W.W., and Yuan, C., 1971, Ap.J , 161, 877.Google Scholar
Ruzumaikin, A.A., Shukurov, A.M., and Sokoloff, D.D. 1988, Magnetic Fields of Galaxies , (Dordrecht: Kluwer Academic Publishers).CrossRefGoogle Scholar
Tosa, M., 1973, Publ. Astron. Soc. Japan , 25,191.Google Scholar
Zeldovich, Ya.B.,Ruzumaikin, A.A.,and Sokoloff, D.D. 1983, Magnetic Fields in Astrophysics , (New York: Gordon and Breach).Google Scholar