Lower-hybrid waves generated by anomalous Doppler resonance in auroral plasmas

R. Bingham, R. A. Cairns, I. Vorgul, V. D. Shapiro

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


This paper describes sonic aspects of lower-hybrid wave activity in space plasmas. Lower-hybrid waves are particularly important since they can transfer energy efficiently between electrons and ions in a collisionless magnetized plasma. We consider the 'fan' or anomalous Doppler resonance instability driven by energetic electron tails and show that it is responsible for the generation of lower-hybrid waves. We also demonstrate that observations of their intensity are sufficient to drive the modulational instability.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalJournal of Plasma Physics
Issue number3-4
Publication statusPublished - Jul 2010


  • lower-hybrid waves
  • anomalous Doppler resonance
  • auroral plasmas


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