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The structure of quasi-shocks in a collision-free plasma in a magnetic field

Cordey, J. G. and Saffman, P. G. (1967) The structure of quasi-shocks in a collision-free plasma in a magnetic field. Journal of Plasma Physics, 1 (1). pp. 129-144. ISSN 0022-3778. http://resolver.caltech.edu/CaltechAUTHORS:20181119-143655458

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Abstract

A study is made of finite amplitude, oblique, hydromagnetic waves in a cold collision-free plasma. It is shown that the equations admit steady solutions which describe flow through a front. Ahead of the front, the flow is uniform, but behind the front the magnetic field and flow variables oscillate irregularly in a random manner. The fronts are called ‘quasi-shocks’, although they have more in common with the laminar-turbulent transition of fluid mechanics than with the classical shock wave. The structure of the quasi-shocks is examined, and estimates are made for the mean values behind the front. The relevance of the quasishocks to the so-called ‘collision-free shock’ is considered, and comparison is made with the ‘bow shock’ on the solar wind near the earth. It is shown that the quasi-shock is consistent with some of the observed data.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1017/S0022377800003147DOIArticle
Additional Information:© 1967 Cambridge University Press.
Record Number:CaltechAUTHORS:20181119-143655458
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20181119-143655458
Official Citation:Cordey, J., & Saffman, P. (1967). The structure of quasi-shocks in a collision-free plasma in a magnetic field. Journal of Plasma Physics, 1(1), 129-144. doi:10.1017/S0022377800003147
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91030
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Nov 2018 22:42
Last Modified:19 Nov 2018 22:42

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