کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9867757 1530668 2005 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Three-dimensional dynamics of nonlinear whistlers in plasmas
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک و نجوم (عمومی)
پیش نمایش صفحه اول مقاله
Three-dimensional dynamics of nonlinear whistlers in plasmas
چکیده انگلیسی
Recent satellite observations reveal localized whistler wavepackets that are correlated with density and magnetic field perturbations. This can be understood in terms of nonlinear interactions between three-dimensional whistlers and the background plasma density and magnetic field. The relevant equations for such nonlinear wave couplings are presented. Simulation studies of nonlinearly coupled electron whistlers and low-frequency magnetosonic perturbations reveal interesting features of whistler pulse compression and diffraction as well as the formation of magnetosonic wedges behind a three-dimensional (3D) localized whistler pulse. The results are useful for understanding the nonlinear propagation of whistlers in space and laboratory plasmas. We suggest that new experiments should be conducted to verify the 3D nonlinear wave phenomena involving electron whistlers and magnetosonic perturbations that we have described in here.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 348, Issues 1–2, 19 December 2005, Pages 51-57
نویسندگان
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