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Earth magnetic field fluctuations produced by filamentation instabilities of electromagnetic heater waves
Author(s) -
Kuo S. P.,
Lee M. C.
Publication year - 1983
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl010i010p00979
Subject(s) - filamentation , ionosphere , geophysics , magnetic field , physics , electromagnetic radiation , instability , plasma , computational physics , atmospheric sciences , optics , mechanics , quantum mechanics
A mechanism associated with the filamentation instabilities of circularly polarized waves is investigated, showing the capability of producing significantly large earth magnetic field fluctuations in addition to ionospheric density fluctuations. This mechanism is suggested as the cause of earth magnetic field fluctuations reported by Stubbe and Kopka (1981) in the ionospheric heating experiments performed at the EISCAT facilities in Tromso, Norway.