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Modified Jeans instability criteria for magnetized systems
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.
2008 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 15, no 7, 072116-072121 p.Article in journal (Refereed) Published
Abstract [en]

The Jeans instability is analyzed for dense magnetohydrodynamic plasmas with intrinsic magnetization, the latter due to collective electron spin effects. Furthermore, the effects of electron tunneling as well as the Fermi pressure are included. It is found that the intrinsic magnetization of the plasma will enhance the Jeans instability, and can significantly modify the structure of the instability spectra. Implications and limitations of our results are discussed, as well as possible generalizations.

Place, publisher, year, edition, pages
2008. Vol. 15, no 7, 072116-072121 p.
Keyword [en]
magnetisation, plasma instability, plasma magnetohydrodynamics, tunnelling
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-33983DOI: 10.1063/1.2956641ISI: 000258175800016OAI: oai:DiVA.org:umu-33983DiVA: diva2:332148
Available from: 2010-08-02 Created: 2010-05-11 Last updated: 2017-12-12Bibliographically approved

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Lundin, JoakimMarklund, MattiasBrodin, Gert
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