A hydrodynamic model of Alfvenic waves and fast magneto-sound in the relativistically hot plasmas at propagation parallel to the magnetic field
Abstract
The Alfvenic waves and fast magneto-sound in the relativistically hot plasmas are considered. This study is based on the novel hydrodynamic model of plasmas with the relativistic temperatures consisted of four equations for the material fields: the concentration and the velocity field and the average reverse relativistic γ functor and the flux of the reverse relativistic γ functor. Three temperature regimes giving considerably different behavior of the spectrum of Alfvenic waves are found. Four temperature regimes are obtained for the fast magneto-sound. All these regimes show considerable variations from the nonrelativistic regime. Dispersion equations for the electromagnetic transverse wave propagating parallel to the external magnetic field are found analytically. Their small frequency solutions are analyzed numerically.
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