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Hall dynamics and resistive tearing instability

Published online by Cambridge University Press:  12 October 2004

I. F. SHAIKHISLAMOV
I. F. SHAIKHISLAMOV
Affiliation:
Department of Laser Plasmas, Institute of Laser Physics, Novosibirsk 630090, Russia (ildar@plasma.nsk.ru)
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Abstract

The stability of the neutral current sheet is analyzed in the frame of Hall dynamics. The problem is treated analytically and results are verified by numerical processing. A new version of tearing instability is found and described. It scales more favorably with the Lundquist number and has smaller wavelengths. Combined Hall magnetohydrodynamic analysis shows that Hall effects dominate the diffusion layer and growth rate of the instability in a relatively large range of sheet widths. The effect of finite beta on instability is described.

Type
Papers
Information
Journal of Plasma Physics , Volume 70 , Issue 5 , October 2004 , pp. 599 - 611
Copyright
2004 Cambridge University Press

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