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Changes in the Distribution Function of Magnetospheric Particles Associated with Gyroresonant Interactions

  • R. Gendrin
Part of the Astrophysics and Space Science Library book series (ASSL, volume 32)

Abstract

Wave-particle interactions (WPF’s) were initially invoked for explaining the origin of natural ELF or VLF electromagnetic emissions. Since the work of Cornwall (1966) and Kennel and Petschek (1966), however, it was recognized that this phenomenon was able to modify the distribution function of the particles themselves. Consequently, and because of the existence of a loss cone, WPI’s are responsible for the most part of particle precipitation. But, if one restricts to gyroresonant WPI’s, the relative importance of this mechanism with respect to other mechanisms is not yet clearly established. Therefore, it is necessary to improve our theoretical knowledge in this field and to check quantitatively the validity of our conclusions.

Keywords

Pitch Angle Loss Cone Whistler Mode Pitch Angle Diffusion Alfven Velocity 
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 1972

Authors and Affiliations

  • R. Gendrin
    • 1
  1. 1.Groupe de Recherches Ionosphériques C. N. E. T.Issy-les-MoulineauxFrance

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