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A Model for Impulsive Electron Acceleration to Energies of Tens of KtE

Published online by Cambridge University Press:  14 August 2015

P. Hoyng ,
A. Duijveman ,
Th.F.J. Van Grunsven  and
D. R. Nicholson
P. Hoyng
Affiliation:
Space Research Laboratory Astronomical Institute at Utrecht
A. Duijveman
Affiliation:
Space Research Laboratory Astronomical Institute at Utrecht
Th.F.J. Van Grunsven
Affiliation:
Space Research Laboratory Astronomical Institute at Utrecht
D. R. Nicholson
Affiliation:
Department of Physics and Astronomy University of Iowa, Iowa City, Iowa 52242.

Extract

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We describe a model for first stage electron acceleration based on quasi-linear interaction with Langmuir waves. The acceleration takes place in a MHD-unstable plasma region (length L, volume V) that contains many microscopically unstable current layers, which act as (quasi-stationary) sources of Langmuir waves, Figure 1. Our work does not depend on the details of the generation mechanism for Langmuir waves, nor on the details of the MHD instability. For the latter, one could think of multiple tearing instabilities.

Type
Part IV. Solar Transient Phenomena Affecting the Corona and Interplanetary Medium: - Theoretical Considerations
Information
Symposium - International Astronomical Union , Volume 91: Solar and Interplanetary Dynamics , 1980 , pp. 299 - 302
Copyright
Copyright © Reidel 1980 

References

Benz, A.O.: 1976, Astrophys. J. 211, 270.Google Scholar
van Grunsven, Th.F.J., Hoyng, P. and Nicholson, D.R.: 1979, Astron. Astrophys. , submitted.Google Scholar
Hoyng, P., Duijveman, A., van Grunsven, Th.F.J. and Nicholson, D.R.: 1979, Astron. Astrophys. submitted.Google Scholar