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The Rayleigh-Taylor instability in quantum magnetized plasma with para- and ferromagnetic properties
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2009 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 16, no 3, 032106-032117 p.Article in journal (Refereed) Published
Abstract [en]

We investigate influence of magnetic field on the Rayleigh–Taylor instability in quantum plasmas with para- and ferromagnetic properties. Magnetization of quantum plasma happens due to the collective electron spin behavior at low temperature and high plasma density. In the classical case, without magnetization, magnetic field tends to stabilize plasma perturbations with wave numbers parallel to the field and with sufficiently short wavelengths. Paramagnetic effects in quantum plasma make this stabilization weaker. The stabilization disappears completely for short wavelength perturbations in the ferromagnetic limit, when the magnetic field is produced by intrinsic plasma magnetization only. Still, for perturbations of long and moderate wavelength, certain stabilization always takes place due to the nonlinear character of quantum plasma magnetization.

Place, publisher, year, edition, pages
2009. Vol. 16, no 3, 032106-032117 p.
Keyword [en]
ferromagnetism, magnetisation, paramagnetism, perturbation theory, plasma confinement, plasma, density, Rayleigh-Taylor instability
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-33975DOI: 10.1063/1.3085796ISI: 000264781800009OAI: oai:DiVA.org:umu-33975DiVA: diva2:332146
Available from: 2010-08-02 Created: 2010-05-11 Last updated: 2017-12-12Bibliographically approved

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Modestov, MikhailBychkov, VitalyMarklund, Mattias

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