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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 16, issue 11
Ann. Geophys., 16, 1455–1460, 1998
https://doi.org/10.1007/s00585-998-1455-1
© European Geosciences Union 1998
Ann. Geophys., 16, 1455–1460, 1998
https://doi.org/10.1007/s00585-998-1455-1
© European Geosciences Union 1998

  30 Nov 1998

30 Nov 1998

Modeling of nonstationary electron precipitation by the whistler cyclotron instability

A. G. Demekhov1, A. A. Lyubchich2, V. Y. Trakhtengerts1, E. E. Titova2, J. Manninen3, and T. Turunen3 A. G. Demekhov et al.
  • 1Institute of Applied Physics, Nizhny Novgorod, Russia
  • 2Polar Geophysical Institute, Apatity, Russia
  • 3Sodankylä Geophysical Observatory, Sodankylä , Finland

Abstract. We study a simple self-consistent model of a whistler cyclotron maser derived from the full set of quasi-linear equations. We employ numerical calculations to demonstrate dependencies of pulsation regimes of whistler-mode wave interactions with energetic electrons on plasma parameters. Possible temporal evolution of those regimes in real conditions is discussed; calculations are compared with case-study experimental data on energetic electron precipitation pulsations. A reasonable agreement of the model results and the observations has been found.

Key words. Magnetospheric physics (Auroral phenomena; Energetic particles · precipitating; Storms and substorms)

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