Hostname: page-component-77c89778f8-rkxrd Total loading time: 0 Render date: 2024-07-16T10:51:00.431Z Has data issue: false hasContentIssue false
  • English
  • Français

On the Nonlinear Nature of the Turbulent α-Effect

Published online by Cambridge University Press:  30 March 2016

Fausto Cattaneo ,
David W. Hughes  and
Jean-Claude Thelen
Fausto Cattaneo
Affiliation:
Department of Astronomy and Astrophysics, University of Chicago, 5640 S. Ellis Ave., Chicago, IL 60637, U.S.A.
David W. Hughes
Affiliation:
Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, U.K.
Jean-Claude Thelen
Affiliation:
Department of Astronomy and Astrophysics, University of Chicago, 5640 S. Ellis Ave., Chicago, IL 60637, U.S.A.

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Galactic magnetic fields are, typically, modelled by mean-field dynamos involving the α-effect. Here we consider, very briefly, some of the issues involving the nonlinear dependence of α on the mean field.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 12: Highlights of Astronomy. As presented at the XXIVth General Assembly of the IAU, 2000 , 2002 , pp. 733 - 735
Copyright
Copyright © Astronomical Society of Pacific 2002

References

Beck, R., Brandenburg, A., Moss, D., Shukurov, A. & Sokoloff, D. 1996,ARA&A, 34, 155 Google Scholar
Cattaneo, F. 1994, ApJ, 434, 200 Google Scholar
Cattaneo, F. & Hughes, D.W. 1996, Phys. Rev. E, 54, R4532 CrossRefGoogle Scholar
Cattaneo, F. & Vainshtein, S.I. 1991, ApJ, 376, L21 CrossRefGoogle Scholar
Cattaneo, F., Hughes, D.W. & Thelen, J.-C. 2001, J. Fluid Mech. (submitted)Google Scholar
Field, G.B., Blackman, E.G. & Chou, H. 1999, ApJ, 513, 638 Google Scholar
Moffatt, H.K. 1974, J. Fluid Mech., 65, 1 Google Scholar
Ruzmaikin, A.A., Shukurov, A.M. & Sokoloff, D.D. 1988, Magnetic Fields of Galaxies (Kluwer: Dordrecht)CrossRefGoogle Scholar
Taylor, G.I. 1921, Proc. London Math. Soc. A20, 196 Google Scholar
Vainshtein, S.I. & Cattaneo, F. 1992, ApJ, 393, 165 CrossRefGoogle Scholar
Zeldovich, Ya. B. 1957, Soviet Phys.-JETP, 4, 460 Google Scholar