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Banded Electron Cyclotron Harmonic Instability — A First Comparison of Theory and Experiment

  • K. Rönnmark
  • H. Borg
  • P. J. Christiansen
  • M. P. Gough
  • D. Jones

Abstract

A study, which is the first of its kind, uses information derived from simultaneously measured wave spectra and particle distributions as the input to a theoretical linear instability model of an electrostatic cyclotron harmonic wave event recorded on GEOS-1. The presence of a hot loss cone component of the particle distribution is established experimentally, and the model accounts reasonably for the observed frequencies and relative strengths of the (n+1/2)f c and upper hybrid emission features.

Keywords

Electron Distribution Function Loss Cone Geomagnetic Equator Ambient Magnetic Field Hybrid Frequency 
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, Dordrecht, Holland 1978

Authors and Affiliations

  • K. Rönnmark
    • 1
  • H. Borg
    • 1
  • P. J. Christiansen
    • 2
  • M. P. Gough
    • 2
  • D. Jones
    • 3
  1. 1.Plasma Physics DepartmentUniversity of Umea, and Kiruna Geophysical InstituteSweden
  2. 2.Plasma and Space Physics Group, School of Mathematical & Physical SciencesUniversity of SussexUK
  3. 3.Space Sciences DivisionE.S.A., E.S.T.E.C.NoordwijkHolland

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