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Phase-space structures in quantum-plasma wave turbulence
Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany .
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
Institut de Physique et Chimie des Matériaux de Strasbourg, Boîte Postale 43, F-67034 Strasbourg, France.
2008 (English)In: Physical Review E, Vol. 78, 056407- p.Article in journal (Refereed) Published
Abstract [en]

The quasilinear theory of the Wigner-Poisson system in one spatial dimension is examined. Conservation laws and properties of the stationary solutions are determined. Quantum effects are shown to manifest themselves in transient periodic oscillations of the averaged Wigner function in velocity space. The quantum quasilinear theory is checked against numerical simulations of the bump-on-tail and two-stream instabilities. The predicted wavelength of the oscillations in velocity space agrees well with the numerical results.

Place, publisher, year, edition, pages
2008. Vol. 78, 056407- p.
Identifiers
URN: urn:nbn:se:umu:diva-20804DOI: 10.1103/PhysRevE.78.056407OAI: oai:DiVA.org:umu-20804DiVA: diva2:209594
Available from: 2009-03-25 Created: 2009-03-25

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CiteExportLink to record
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