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Enhancement of electron density in the interaction of high‐power electromagnetic waves with inhomogeneous magnetized plasma

Propagation characteristics of a high‐power electromagnetic wave through an inhomogeneous magnetized plasma is investigated. Considering the momentum transfer equations for electrons and ions and taking into account the ponderomotive force, the distribution of electron density and dielectric permittivity are obtained. Using non‐linear dielectric permittivity and Maxwell's equations in the absence of external current and charge densities, non‐linear wave equations are achieved. The results indicate that the external static magnetic field can modify the profiles of both the electric and magnetic fields. It is also shown that the external static magnetic field enhances the amplitude of the electron density and the non‐linear dielectric permittivity.