Physics
Scientific paper
Aug 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003kfnt...19..328v&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, vol. 19, no. 4, p. 328-333
Physics
Scientific paper
A nonlinear mechanism of the transformation of magnetoacoustic waves to kinetic Alfven waves in the magnetosphere plasma (β<1) is proposed. A nonlinear dispersion equation describing the decay of a magnetoacoustic wave and the excitement of kinetic Alfven waves is derived on the basis of two-fluid magnetohydrodynamics. We also determined the instability growth rate, the time of parametric instability development and the threshold of the pump wave amplitude.
Cheremnykh O. K.
Fedun V. M.
Voitsekhovskaya A. D.
Yukhimuk A. K.
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