On the triggering capability of obliquely propagating whistlers

Brinca, A. L.

doi:10.1029/ja080i001p00203

Cited by 3 publications

(1 citation statement)

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“…In any case, the problems linked with wave generation seem to be tractable. varying frequency, since their fundamental gyroresonance re-In the latter effect the exclusive consideration of the trapped tains the phase trapping capability of parallel whistler mode particles is insufficient to predict accurately the modified elecwaves [Palmadesso, 1972;Brinca, 1975] or to the 'super-tron distribution; the resonant untrapped population should whistlers' [Bernhardt, 1979]. be taken into consideration, and ideally, a self-consistent 6.…”

Section: Discussionmentioning

confidence: 99%

Enhancing whistler wave‐Electron interaction by the use of specially modulated VLF wave injection

Brinca¹

1981

J. Geophys. Res.

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It is shown that interactions between artificially injected whistler mode waves and electrons can be strongly enhanced if the frequency and amplitude of the injected signal are appropriately programmed. The frequency variation produces efficient and steady changes in the particles energy and pitch angle through an extension of the cyclotron‐resonance interval. The amplitude modulation might prove necessary in certain interactions to avoid instability of the phase trapping mechanism. Sixteen interactions evolving in a duct centered at a geomagnetic field line with L=4 are studied by following the (test particle) evolution of the equatorial pitch angle and energy, and obtaining the required (ground) transmitter spectrogram format. Transmission using the proposed modulation with sufficient accuracy to match the real magnetosphere appears feasible and could be attempted in the near future.

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Section: Discussionmentioning

confidence: 99%