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Instability of isolated three-dimensional magnetic null points

Published online by Cambridge University Press:  01 April 1998

MANUEL NÚÑEZ
MANUEL NÚÑEZ
Affiliation:
Departamento de Análisis Matemático, Universidad de Valladolid, 47005 Valladolid, Spain
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Abstract

Although most magnetic neutral points occurring in nature seem to form part of a continuum, recent studies of reconnection have centred on static equilibria in the neighbourhood of an isolated three-dimensional null point. The linear stability of this configuration is studied here. It is found that one may choose a flux surface so that transverse oscillations localized around the surface and polarized within it must grow exponentially in time. This means that any static equilibrium containing an isolated three-dimensional null point is linearly unstable.

Type
Research Article
Information
Journal of Plasma Physics , Volume 59 , Issue 3 , April 1998 , pp. 537 - 541
Copyright
1998 Cambridge University Press

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