Kinetic theory of instabilities responsible for magnetic turbulence in laboratory rotating plasma

The problem of instabilities responsible for magnetic turbulence in collisionless laboratory rotating plasma is investigated. It is shown that the standard mechanism of driving the magnetorotational instability (MRI), due to negative rotation frequency gradient, disappears in such a plasma. Instead...

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Bibliographic Details
Published in:Physics letters. A 2008-05, Vol.372 (21), p.3846-3851
Main Authors: Mikhailovskii, A.B., Lominadze, J.G., Churikov, A.P., Pustovitov, V.D., Erokhin, N.N., Konovalov, S.V.
Format: Article
Language:English
Subjects:
Kinetic theory
Laboratory plasma
Magnetorotational instability
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Summary:The problem of instabilities responsible for magnetic turbulence in collisionless laboratory rotating plasma is investigated. It is shown that the standard mechanism of driving the magnetorotational instability (MRI), due to negative rotation frequency gradient, disappears in such a plasma. Instead of it, a new driving mechanism due to plasma pressure gradient is predicted.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2008.02.052