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Filamentation Instability of Counterpropagating Charged Particle Beams: Statistical Properties
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology. Centre for Plasma Physics, Queen’s University Belfast, Belfast , U.K..ORCID iD: 0000-0003-4055-0552
2008 (English)In: FRONTIERS IN MODERN PLASMA PHYSICS: 2008 ICTP International Workshop on the Frontiers of Modern Plasma Physics / [ed] Padma K. Shukla , Bengt Eliasson, Lennart Stenflo, College Park, MD United States: American Institute of Physics (AIP), 2008, 237-245 p.Conference paper, Published paper (Refereed)
Abstract [en]

The filamentation instability (FI) driven by beams of counter-propagating electrons is examined with one dimensional (1D) and two-dimensional (2D) particle-in-cell (PIC) simulations. The 1D simulation reveals the saturation mechanism of the FI. The magnetic pressure gradient displaces the electrons. The resulting electrostatic field inhibits together with the magnetic field a further growth of the filaments by suppressing the electron motion. The FI evolves into a stationary equilibrium in 1D, which shows a statistical distribution of the filament sizes that resembles a Gumbel distribution. The 2D PIC simulation allows the filaments to move around each other and filaments carrying currents of equal polarity can merge. The time-evolution of the characteristic size of the filaments in the 2D simulation is measured. It increases linearly with the time.

Place, publisher, year, edition, pages
College Park, MD United States: American Institute of Physics (AIP), 2008. 237-245 p.
Series
AIP Conference Proceedings, ISSN 0094-243X ; 1061
Keyword [en]
plasma physics
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-43188DOI: 10.1063/1.3013773ISI: 000260486000024Local ID: 72720ISBN: 978-0-7354-0591-2 (print)OAI: oai:DiVA.org:liu-43188DiVA: diva2:264047
Conference
2008 ICTP International Workshop on the Frontiers of Modern Plasma Physics, Trieste Italy, 14–25 July 2008
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-11-03Bibliographically approved

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Dieckmann, Mark E

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf