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Anisotropy of turbulence in a collisionless shock

Published online by Cambridge University Press:  13 March 2009

K. Muraoka ,
E. L. Murray ,
J. W. M. Paul  and
D. D. R. Summers
K. Muraoka
Affiliation:
U.K.A.E.A. Research Group, Culham Laboratory, Abingdon, Berkshire
E. L. Murray
Affiliation:
U.K.A.E.A. Research Group, Culham Laboratory, Abingdon, Berkshire
J. W. M. Paul
Affiliation:
U.K.A.E.A. Research Group, Culham Laboratory, Abingdon, Berkshire
D. D. R. Summers
Affiliation:
U.K.A.E.A. Research Group, Culham Laboratory, Abingdon, Berkshire
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Abstract

We have measured the level of density fluctuations 〈δne2(K)〉 for ‖K‖ ∼ 1/λD as a function of the angle between k and the current within a collisionless shock. The cut-off angle is in good agreement with that predicted for current-driven ion wave turbulence and one-dimensional heating of the ions. This agreement provides further evidence that ion-wave instability is responsible for the observed turbulence within the shock.

Type
Research Article
Information
Journal of Plasma Physics , Volume 10 , Issue 1 , August 1973 , pp. 135 - 140
Copyright
Copyright © Cambridge University Press 1973

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References

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