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Published July 1978 | Published
Journal Article Open

Focusing resonance cones

Abstract

The potential for an oscillating ring source immersed in cold, magnetized, collisionless plasma in the resonance cone regime (K_∥/K_⊥< 0 ) is evaluated exactly and asymptotically, giving insight into the gross spatial behavior of the focusing resonance cones. The nature of the singularity in potential is clarified by the introduction of a noninfinitesimal collision frequency. Thermal effects are considered numerically, revealing an interesting interference structure in potential as well as a density depression near the focus of the cone due to the ponderomotive force.

Additional Information

© 1978 American Institute of Physics. Received 7 November 1977. This research was supported by the U. S. Department of Energy under Contract E(04-3)-767.

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