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Uspekhi Fizicheskikh Nauk, 1987, Volume 152, Number 2, Pages 263–284
DOI: https://doi.org/10.3367/UFNr.0152.198706c.0263
(Mi ufn7953)
 

This article is cited in 33 scientific papers (total in 34 papers)

REVIEWS OF TOPICAL PROBLEMS

The hydromagnetic dynamo as the source of planetary, solar, and galactic magnetism

Ya. B. Zel'dovich, A. A. Ruzmaikin

Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, USSR Academy of Sciences, Troitsk, Moskovskaya obl.
Abstract: The magnetism of most celestial bodies, i.e., planets, stars, and galaxies, is of hydromagnetic origin. The turbulent hydromagnetic dynamo is the principal mechanism whereby the magnetic field is amplified and maintained, and the theory of this phenomenon has advanced significantly in recent years. This review discusses applications of the theory of the turbulent dynamo to real objects, taking the Sun, the Earth, and the Galaxy as examples. Most of the discussion is concentrated on the large-scale magnetic field averaged over turbulent fluctuations. The average field is amplified and maintained by the average helicity of turbulent motion and large-scale shear flows such as differential rotation. The dynamo theory explains striking phenomena such as geomagnetic field reversal, the solar cycle, and the ring and bisymmetric structure of spiral galaxies.
English version:
Physics–Uspekhi, 1987, Volume 30, Issue 2, Pages 494–506
DOI: https://doi.org/10.1070/PU1987v030n06ABEH002852
Document Type: Article
UDC: 537.84
PACS: 91.25.Mf, 96.12.Hg, 96.15.Gh, 96.60.Hv, 98.35.Eg
Language: Russian
Citation: Ya. B. Zel'dovich, A. A. Ruzmaikin, “The hydromagnetic dynamo as the source of planetary, solar, and galactic magnetism”, UFN, 152:2 (1987), 263–284; Phys. Usp., 30:2 (1987), 494–506
Citation in format AMSBIB
\Bibitem{ZelRuz87}
\by Ya.~B.~Zel'dovich, A.~A.~Ruzmaikin
\paper The hydromagnetic dynamo as the source of planetary, solar, and galactic magnetism
\jour UFN
\yr 1987
\vol 152
\issue 2
\pages 263--284
\mathnet{http://mi.mathnet.ru/ufn7953}
\crossref{https://doi.org/10.3367/UFNr.0152.198706c.0263}
\transl
\jour Phys. Usp.
\yr 1987
\vol 30
\issue 2
\pages 494--506
\crossref{https://doi.org/10.1070/PU1987v030n06ABEH002852}
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  • This publication is cited in the following 34 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Успехи физических наук Physics-Uspekhi
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