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Our intention in this work is to show, by using two different methods, that magnetospheric dynamics reveal low dimensional chaos. In the first method we extend the chaotic analysis for the AE index ti...
Chaos in Magnetoplasmas
Chaos Magnetoplasmas
2009/11/13
A nonlinear wave, in general, is equivalent to a nonlinear dynamical system, which exhibits the phenomena of chaos. By means of techniques of nonlinear dynamical systems, we have investigated the cond...
Comments and new results about the magnetospheric chaos hypothesis
Comments new results magnetospheric chaos hypothesis
2009/11/13
In this study we present theoretical concepts and results concerning the hypothesis test of the magnetospheric chaos. For this reason we compare the observational behavior of the magnetospheric system...
A three-wave model of auroral radio emissions near the electron plasma frequency was proposed by Chian et al. (1994) involving resonant interactions of Langmuir, whistler and Alfvén waves. Chaos can o...
Intermittent chaos driven by nonlinear Alfvén waves
Intermittent chaos nonlinear Alfvén waves
2009/11/11
We investigate the relevance of chaotic saddles and unstable periodic orbits at the onset of intermittent chaos in the phase dynamics of nonlinear Alfvén waves by using the Kuramoto-Sivashinsky (KS) e...