Banded electron cyclotron harmonic instability-a first comparison of theory and experiment |
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| Authors: | K Rönnmark H Borg P J Christiansen M P Gough D Jones |
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| Institution: | (1) Plasma Physics Department, University of Umea, and Kiruna Geophysical Institute, Sweden;(2) Plasma and Space Physics Group, School of Mathematical & Physical Sciences, University of Sussex, UK;(3) Space Sciences Division, E.S.A., E.S.T.E.C., Noordwijk, Holland |
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| 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. |
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