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Quantum plasma effects in the classical regime
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2008 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 100, no 17, 5001-4 sidor p.Article in journal (Refereed) Published
Abstract [en]

For quantum effects to be significant in plasmas it is often assumed that the temperature over density ratio must be small. In this paper we challenge this assumption by considering the contribution to the dynamics from the electron spin properties. As a starting point we consider a multicomponent plasma model, where electrons with spin-up and spin-down are regarded as different fluids. By studying the propagation of Alfvén wave solitons we demonstrate that quantum effects can survive in a relatively high-temperature plasma. The consequences of our results are discussed.

Place, publisher, year, edition, pages
2008. Vol. 100, no 17, 5001-4 sidor p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-10374DOI: 10.1103/PhysRevLett.100.175001ISI: 000255524300045OAI: oai:DiVA.org:umu-10374DiVA: diva2:150045
Available from: 2008-08-27 Created: 2008-08-27 Last updated: 2010-08-26Bibliographically approved

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Brodin, GertMarklund, Mattias

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