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Ohm's law for mean magnetic fields

Published online by Cambridge University Press:  13 March 2009

A. H. Boozer
A. H. Boozer
Affiliation:
Plasma Physics Laboratory, Princeton University, P.O. Box 451, Princeton, New Jersey 08544
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Abstract

The magnetic fields associated with plasmas frequently exhibit small-amplitude MHD fluctuations. It is useful to have equations for the magnetic field averaged over these fluctuations, the so-called mean field equations. Under very general assumptions, it is shown that the effect of MHD fluctuations on a force-free plasma can be represented by one parameter in Ohm's law, which is effectively the coefficient of electric current viscosity.

Type
Research Article
Information
Journal of Plasma Physics , Volume 35 , Issue 1 , February 1986 , pp. 133 - 139
Copyright
Copyright © Cambridge University Press 1986

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References

REFERENCES

Berger, M. A. 1984 Geophys. Astrophys. Fluid Dyn. 30, 79.CrossRefGoogle Scholar
Bevir, M. K. & Gray, J. W. 1981 Proceedings of Reversed Field Pinch Theory Workshop, Los Alamos (ed. Lewis, H. R. and Gerwin, R. A.), Los Alamos, III A-3.Google Scholar
Jacobson, A. R. & Moses, R. W. 1984 Phys. Rev. A 29, 3335.CrossRefGoogle Scholar
Moffatt, H. K. 1978 Magnetic Field Generation in Electrically Conducting Fluids. Cambridge University Press.Google Scholar
Rädler, K.-H. 1968 Z. Naturforsch. A 23, 1841.CrossRefGoogle Scholar
Schmidt, J. & Yoshikawa, S. 1971 Phys. Rev. Lett. 26, 753.CrossRefGoogle Scholar
Schnack, D. D., Caramana, E. J. & Nebel, R. A. 1985 Phys. Fluids 28, 321.CrossRefGoogle Scholar
Shoenberg, K. F., Moses, R. W. & Hagenson, R. L. 1984 Phys. Fluids, 27, 1671.CrossRefGoogle Scholar
Steenbeck, M., Krause, F. & Rädler, K.-H. 1966 Z. Naturforsch. A 21, 369.CrossRefGoogle Scholar
Stix, T. H. 1978 Nucl. Fusion, 18, 3.CrossRefGoogle Scholar
Strauss, H. 1984 Phys. Fluids, 27, 2580.CrossRefGoogle Scholar
Taylor, J. B. 1974 Phys. Rev. Lett. 33, 1139.CrossRefGoogle Scholar