Some properties of dispersive Alfven waves. 1. Kinetics (very-low-, intermediate- and low-pressure plasma)
|1Malovichko, PP |
1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
|Kinemat. fiz. nebesnyh tel (Online) 2013, 29(6):20-44|
|Start Page: Space Physics|
The work is devoted to the study of behaviour of dispersive Alfven waves, including inertial and kinetic Alfven waves, in astrophysical plasma of very low, intermediate and low pressure. Some new full solutions are derived. It is shown that the solutions for «ordinary» and inertial Alfven waves are particular cases of the general solution. The influence of astrophysical environment parameters on behaviour and properties of dispersive Alfven waves is analyzed. All of the main wave characteristics are obtained, namely, dispersion, damping, polarization, density perturbation and charge density perturbation. Taking them into account is very important for observations and detection of these waves and for more correct understanding of their behaviour and role in various astrophysical processes of cosmic environment.
|Keywords: Alven waves, plasma|
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