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Parametric excitation of electrostatic whistler wave and electron Bernstein wave by extraordinary EM wave

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4 Author(s)
Kumar, A. ; Dept. of Phys., Ehime Univ., Matsuyama, Japan ; Sugawa, M. ; Isobe, S. ; Sharma, R.P.

In the present paper, the parametric decay instability of an extraordinary electromagnetic wave (X-wave) into an electron Bernstein wave (EBW) and an electrostatic whistler wave (W-wave) has been studied. Expressions are derived for homogeneous threshold, growth rate, and convective threshold for this instability. The relevance of the present parametric process has been pointed out to explain the generation of whistler mode radiations in the SL-2 experiment, ionospheric modification experiment, in the polar cusp region of the magnetosphere, as well as during intense electron cyclotron resonance heating in the MTX tokamak

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Plasma Science, IEEE Transactions on  (Volume:23 ,  Issue: 6 )