The Farley Instability: A Laboratory Test

Publication: Research - peer-reviewJournal article – Annual report year: 1974

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An experiment is described that was performed in an alkali plasma (Cs) device in order to test the theory of the Farley instability. With υ E×B > Cs (the speed of sound) and νι ≳ ω cι (ν e ≪ ω ce ) wave excitation occurs, the waves traveling normal to the magnetic field B at the υ E×B speed. The perturbations are strongly elongated along the B field lines, with λ∥ ≫ λ⊥. A comparison with theoretical predictions is given for the observed excitation conditions of the instability.
Original languageEnglish
JournalJournal of Geophysical Research
Publication date1974
Volume79
Journal number31
Pages4747-4751
ISSN0148-0227
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 42
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