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Ferromagnetic behavior in magnetized plasmas
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2007 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 76, no 055403(R), 4- p.Article in journal (Refereed) Published
Abstract [en]

We consider a low-temperature plasma within a newly developed magnetohydrodynamic fluid model. Inaddition to the standard terms, the electron spin, quantum particle dispersion, and degeneracy effects areincluded. It turns out that the electron spin properties can give rise to ferromagnetic behavior in certainregimes. If additional conditions are satisfied, a homogeneous magnetized plasma can even be unstable. Thishappens in the low-temperature high-density regime, when the magnetic properties associated with the spin canovercome the stabilizing effects of the thermal and Fermi pressure, to cause a Jeans-like instability.

Place, publisher, year, edition, pages
New York: Published by the American Physical Society through the American Institute of Physics , 2007. Vol. 76, no 055403(R), 4- p.
Keyword [en]
quantum plasmas, systems, model
Identifiers
URN: urn:nbn:se:umu:diva-6894DOI: 10.1103/PhysRevE.76.055403OAI: oai:DiVA.org:umu-6894DiVA: diva2:146564
Available from: 2007-12-21 Created: 2007-12-21 Last updated: 2011-04-11Bibliographically approved

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Publisher's full texthttp://arxiv.org/abs/0709.3575

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Brodin, GertMarklund, Mattias

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