Astrophysics and Space Science

, Volume 110, Issue 2, pp 371–378 | Cite as

The propagation of a dense quasi-neutral ion beam across a magnetized plasma

  • R. A. Treumann
  • B. Häusler
Article
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Abstract

Propagation of a quasi-neutral narrow ion beam across a magnetised cold plasma is investigated in slab geometry. This problem is of interest in connection with artificial beam injection experiments and with naturally appearing plasma injections into magnetic fields as astrophysical jets. Several different cases are discussed briefly where the beam is assumed either slow or fast. For fast beams it is shown that they propagate due to generation of a polarisation electric field even in the case of presence of a background plasma. Slow beams can depolarise by currents flowing into the beam along the field lines and providing the required electrons for charge neutralisation. Some implications of the model are discussed in the context of recent active beam injection experiments into space plasma.

Keywords

Magnetic Field Field Line Cold Plasma Space Plasma Background Plasma 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© D. Reidel Publishing Company 1985

Authors and Affiliations

  • R. A. Treumann
    • 1
  • B. Häusler
    • 1
  1. 1.Institut für Extraterrestrische PhysikMax-Planck-Institut für Physik und AstrophysikGarchingGermany

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