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Electron and ion cyclotron resonance in a straight magnetic field with a perpendicular gradient in field strength are analysed using gyrokinetic theory. Propagation perpendicular to the equilibrium field and into the gradient is examined. The inclusion of the variation of the equilibrium magnetic field over a Larmor radius results in perpendicular cyclotron damping where previous models predict none. The effect of this damping on ion and electron cyclotron heating of plasmas is discussed.

Additional information

Authors: LASHMORE-DAVIES C N, Culham Laboratory, Abingdon, Oxfordshire (GB);DENDY R O, Culham Laboratory, Abingdon, Oxfordshire (GB)
Bibliographic Reference: Report: CLM-P849 EN (1988)
Availability: Available from the Librarian, UKAEA, Culham Laboratory, Abingdon, Oxon. OX14 3DB (GB)
Record Number: 198910224 / Last updated on: 1994-12-01
Original language: en
Available languages: en