Abstract
The nonlinear coupling of a large amplitude whistler wave with low frequency drift waves in an inhomogeneous magnetized plasma cylinder is investigated. The coupling produces whistler wave sidebands. The pump and sidebands exert a ponderomotive force on electrons causing a frequency shift in the drift wave, leading to its stabilization/destabilization, depending on the relative wave numbers of the interacting waves as well as with whistler pump power. The whistler wave stabilizes the drift wave for K0z < 2.9 × 102 and destabilizes for K0z > 2.9 × 102, with K0z = k0zc/ωci, where k0z is the wave number of the whistler pump, c is the velocity of light and ωci is the ion cyclotron frequency. The whistler pump power above 5 MW also stabilizes the drift wave.
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