Simulation study of ion two-stream instability in the auroral acceleration region

Particle in cell plasma simulation technique has been used to study the effect of the ion two-stream instability on hydrogen and oxygen distributions at small relative drifts. Whether heating due to parallel modes which are unstable at low drifts might be sufficient to quench oblique modes which are...

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Bibliographic Details
Published inGeophysical research letters Vol. 17; no. 10; pp. 1609 - 1612
Main Authors Gray, Perry C., Hudson, Mary K., Bergmann, Rachelle, Roth, Ilan
Format Journal Article
LanguageEnglish
Published Legacy CDMS Blackwell Publishing Ltd 01.09.1990
American Geophysical Union
Subjects
Acceleration
Drift
Earth, ocean, space
Exact sciences and technology
External geophysics
Geophysics
Heating
Instability
Particle precipitation
Physics of the ionosphere
Simulation
Sound
Stability
Ion heating
Particle in cell method
Beam plasma instability
Digital simulation
Ion beam
Particle acceleration
Velocity distribution
Auroral zone
Ion distribution
Polar ionosphere
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Summary:Particle in cell plasma simulation technique has been used to study the effect of the ion two-stream instability on hydrogen and oxygen distributions at small relative drifts. Whether heating due to parallel modes which are unstable at low drifts might be sufficient to quench oblique modes which are unstable at higher drifts is investigated. It is found that this is not the case and that the oblique modes contribute significantly to heating.
Bibliography:istex:EC42EE07BB521CF8AEF6B86F724AEE2B3E00C697
ark:/67375/WNG-D8MXFQDS-N
ArticleID:90GL00867
CDMS
Legacy CDMS
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ObjectType-Article-2
ObjectType-Feature-1
ISSN:0094-8276
1944-8007
DOI:10.1029/GL017i010p01609