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A new class of exact solutions for Vlasov-Poisson plasmas
Russian Academic Science, Russia; National Research Nucl University of MEPhI, Russia.
Zhejiang University, Peoples R China; Ruhr University of Bochum, Germany.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, Faculty of Science & Engineering.
2016 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 91, no 11, 114002- p.Article in journal (Refereed) Published
Abstract [en]

A new class of exact solutions of the Vlasov-Poisson equations based on the Jeans theorem is considered. The self-consistent solutions for the evolution of the system from given initial particle distributions make use of particular invariants of particle motion with predetermined spatial structure. The relation between the time-dependent coefficients of the latter and the macroscopic plasma quantities, or moments of the distribution function, are obtained. As an illustration, the evolution of an expanding plasma with oscillations of the electron and ion expansion fronts is presented.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2016. Vol. 91, no 11, 114002- p.
Keyword [en]
nonlinear evolution; plasma expansion; surface oscillations; Vlasov-Poisson plasma
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:liu:diva-132844DOI: 10.1088/0031-8949/91/11/114002ISI: 000386613000001OAI: oai:DiVA.org:liu-132844DiVA: diva2:1052430
Note

Funding Agencies|National Natural Science Foundation of China [11374262, 11475147]; State Key Laboratory of High Field Laser Physics at SIOM

Available from: 2016-12-06 Created: 2016-11-30 Last updated: 2016-12-06

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