Nonlinear Waves In Cylindrically Bounded Magnetized Plasmas
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Formation of global vortices in a dusty plasma cylinder
Nov 14, 2020 equations, in which nonlinear term can be written in the form of Poisson bracket [F;G] = ^z r F:rG, where F and G are functions of eld variables. In magnetized plasmas, these nonlinearities arise from convective derivative terms (v E r , where v E = E B=B2, E and B are usual notations for electric and magnetic elds, respectively).
A simple mechanical model for resonance absorption: The
In a uniform magnetized plasma, there exist three magne- tohydrodynamic wave modes: the fast, slow, and Alfvfin (or intermediate) modes. Waves in nonuniform plasmas have dif- ferent properties. As an extreme example, uniform regions may be bounded by tangential discontinuities, which can sup- port surface waves; see Roberts [1991a, b] for reviews.
Non Invasive Measurement on the Pulsed and Steady-State, High
propagation and absorption of helicon waves (cylindrically-bounded whistler waves) in magnetized plasma. In order to launch the wave into the plasma, an axial magnetic ﬁeld (that can be produced by low mass, non-power consuming ceramic magnets) is applied in the ionization region and a rf antenna surrounding the plasma column couples to the
WHISTLER WAVES SELF-FOCUSING IN LABORATORY AND IONOSPHERIC
Necessary conditions for stationary nonlinear self-trapping in self-sustained waveguides are found and their stability confirmed both analytically and numerically. PACS: 52.35.Mw 1. INTRODUCTION Whistler or helicon wave is one of the most frequently observed waves in magnetized laboratory plasmas, in the ionosphere and the magnetosphere of the
Fine-Scale Cavitation of Ionospheric Plasma Caused by
waves in a cylindrical coordinate system sr,u,zd (i.e., the natural coordinate system for resonance cones). Thus, the inertial Alfvén cones result from a superposition of modes of the form ,fsrdexpsik zz 2 ivtd. The parallel current J z for these waves is primarily due to ﬁeld-aligned electron motion and is given by 2ivm 0J z › v2 pe c2 E