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Article Dans Une Revue Physics of Plasmas Année : 2019

Nonlinear interaction of whistler waves in a magnetized plasma with density ducts

Résumé

The nonlinear resonant interactions between whistler waves guided bydensity ducts surrounded by a uniform magnetized plasma are studied. Itis shown that, under specific conditions that are determined, a time-harmonic external electromagnetic field can drive the parametricinstability of guided whistlers. Both cases of cylindrical and planarducts are considered, of either decreased or increased plasma density.The frequency interval where the magnetized plasma may be resonant isanalyzed. The growth rate and the threshold of the parametricinstability are determined. Numerical calculations are presented forparameters typical of "space plasmas and" modeling laboratoryexperiments where guided whistler propagation was observed.
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Dates et versions

hal-03730635 , version 1 (20-07-2022)

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T. M. Zaboronkova, Catherine Krafft, N. F. Yashina. Nonlinear interaction of whistler waves in a magnetized plasma with density ducts. Physics of Plasmas, 2019, 26, pp.102104. ⟨10.1063/1.5110958⟩. ⟨hal-03730635⟩
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