Abstract
In this paper the dispersion laws for electromagnetic waves in cold magnetized plasmas are analyzed. The basis of our analysis was the expression for the dielectric tensor obtained from the classical theory of moments. The dielectric tensor is constructed without using the perturbation theory. Thus both the case of weak and strong Coulomb coupling can be regarded. A qualitative distinction in the electromagnetic wave propagation for the low-frequency region between systems with weak and strong Coulomb coupling has been established. It has been shown that the helicon branch for the case of a weakly coupled plasma splits into two whistling sound branches in the case of strongly coupled plasmas.
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