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Stabilization of ma...
Stabilization of magnetic curvature-driven Rayleigh-Taylor instabilities
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- Onishchenko, O G (author)
- Institute Phys Earth, Moscow
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- Pokhotelov, O A (author)
- Institute Phys Earth, Moscow
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- Stenflo, Lennart (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
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- Shukla, P K (author)
- University of Bochum
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(creator_code:org_t)
- Cambridge University Press (CUP), 2012
- 2012
- English.
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In: Journal of Plasma Physics. - : Cambridge University Press (CUP). - 0022-3778 .- 1469-7807. ; 78, s. 93-97
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The finite ion Larmor radius (FLR) stabilization of the magnetic curvature-driven Rayleigh Taylor (MCD RT) instability in a low beta plasma with nonzero ion temperature gradient is investigated. Finite electron temperature effects and ion temperature perturbations are incorporated. A new set of nonlinear equations for flute waves with arbitrary wavelengths as compared with the ion Larmor radius in a plasma with curved magnetic field lines is derived. Particular attention is paid to the waves with spatial scales of the order of the ion Larmor radius. In the linear limit, a Fourier transform of these equations yields an improved dispersion relation for flute waves. The dependence of the M CD RT instability growth rate on the equilibrium plasma parameters and the wavelengths is studied. The condition for which the instability cannot be stabilized by the FLR effects is found.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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