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Expansion of a radial plasma blast shell into an ambient plasma
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Science & Engineering. (Scientific Visualization)
School of Mathematics and Physics, Queen's University Belfast, University Road, Belfast, United Kingdom.
School of Mathematics and Physics, Queen's University Belfast, University Road, Belfast, United Kingdom.
LULI, Ecole Polytechnique, CNRS, CEA, UPMC, Palaiseau, France.
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2017 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 24, no 9, 094501Article in journal (Refereed) Published
Abstract [en]

The expansion of a radial blast shell into an ambient plasma is modeled with a particle-in-cell simulation. The unmagnetized plasma consists of electrons and protons. The formation and evolution of an electrostatic shock is observed, which is trailed by ion-acoustic solitary waves that grow on the beam of the blast shell ions in the post-shock plasma. In spite of the initially radial symmetric outflow, the solitary waves become twisted and entangled and, hence, they break the radial symmetry of the flow. The waves and their interaction with the shocked ambient ions slow down the blast shell protons and bring the post-shock plasma closer to equilibrium.

Place, publisher, year, edition, pages
Melville, NY, United States: A I P Publishing LLC , 2017. Vol. 24, no 9, 094501
Keyword [en]
Laser plasma, PIC simulation, collisionless shock, solitary waves
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:liu:diva-140165DOI: 10.1063/1.4991694OAI: oai:DiVA.org:liu-140165DiVA: diva2:1137927
Available from: 2017-09-02 Created: 2017-09-02 Last updated: 2017-09-21Bibliographically approved

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The full text will be freely available from 2018-10-01 15:25
Available from 2018-10-01 15:25

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Dieckmann, Mark E
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Citation style
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  • de-DE
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  • nn-NB
  • sv-SE
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