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Fast magnetic field penetration into low resistivity plasma

Part of: Solved and Unsolved problems in Plasma Physics

Published online by Cambridge University Press:  19 January 2017

Amnon Fruchtman Open the ORCID record for Amnon Fruchtman [Opens in a new window]
Amnon Fruchtman*
Affiliation:
Physics Department, H.I.T. - Holon Institute of Technology, 52 Golomb St., Holon 58102, Israel
*
†Email address for correspondence: fnfrucht@hit.ac.il
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Abstract

Penetration of a magnetic field into plasma that is faster than resistive diffusion can be induced by the Hall electric field in a non-uniform plasma. This mechanism explained successfully the measured velocity of the magnetic field penetration into pulsed plasmas. Major related issues have not yet been resolved. Such is the theoretically predicted, but so far not verified experimentally, high magnetic energy dissipation, as well as the correlation between the directions of the density gradient and of the field penetration.

Keywords

magnetized plasmasplasma dynamicsplasma nonlinear phenomena
Type
Research Article
Information
Journal of Plasma Physics , Volume 83 , Issue 1 , February 2017 , 595830104
Copyright
© Cambridge University Press 2017 

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