Particle acceleration by kinetic Alfvén waves in the IO plasma torus

A. C. Das, W. H. Ip

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The generation of surface waves due to a strong gradient in the plasma density and its coupling to kinetic Alfvén waves near the Io plasma torus are found to be a viable mechanism for particle acceleration leading to a beam of energetic electrons along the magnetic field. It is shown that acceleration to a few kiloelectronvolts is possible and this might explain the intense auroral hiss observed near the inner edge of the Io plasma torus by Voyager 1.

Original languageEnglish
Pages (from-to)1499-1502
Number of pages4
JournalPlanetary and Space Science
Volume40
Issue number11
DOIs
StatePublished - Nov 1992

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