The interaction of an electromagnetic wave with a plane interface between a stationary isotropic medium (dielectric or vacuum) and a homogeneous cold magnetized plasma moving uniformly parallel to the interface is considered for arbitrary angles of incidence. Calculations are presented for the case in which the static magnetic field lies in the interface and is oriented normal to both the plane of incidence and the direction of the streaming motion. It is found that the reflection and the transmission characteristics for an incident E wave are unaffected by the anisotropy and the velocity of the moving medium. Numerical results for the reflection and the transmission coefficients for an obliquely incident H wave have been obtained for several values of the magnetic field and the electron density of the moving plasma half‐space. It is found that the moving magnetized plasma medium allows certain stop and pass bands under suitable physical conditions.
The characteristics of TE modes in a transversely magnetized plane-parallel waveguide containing a relativistically moving warm plasma have been studied. The effects of the finite electron temperature of the plasma have been incorporated in terms of an anisotropic pressure. Using the first three moment equations in conjunction with Maxwell-Minkowski equations, we have derived the dispersion relation and the cutoff frequencies for the TE mode. It is found that the TE mode is modified due to the thermal motion of electrons to depend upon the velocity of the moving medium and the applied magnetic field. Numerical results for the cutoff frequencies are presented for several values of the parameters characterizing the electron-plasma temperature, the velocity of the moving medium, and the strength of the applied magnetic field.
The Brewster-angle phenomena of total transmission has been investigated with reference to an E-polarized electromagnetic wave interacting with a dielectric half-space moving along the interface. Analytic conditions are derived for the existence of Brewster angles. We also discuss how the Brewster angles are modified by replacing the incident region (in which the incident electromagnetic wave is propagated) with an isotropic or a uniaxially anisotropic plasma. The Brewster angles are found to behave in a remarkably different fashion under various conditions. Numerical results for the Brewster angles, showing their dependence on the nondimensional velocity of the medium β, are presented for several values of the physical parameters.
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