Electroacoustic resonance in plasma layer surrounding a metallic cylinder

A cylindrical column of plasma without and with a metallic cylinder imbedded in the center is illuminated by a perpendicular and an axial electric field of a plane wave. Different electroacoustic (Tonks-Dattner) resonances are observed for different arrangements and polarizations. The findings of this study indicate 1) the excitation of an electroacoustic wave by a metallic object in a hot plasma when illuminated by an electromagnetic wave, and 2) the significant effect of an electroacoustic wave on the electro-magnetic scattering of a plasma-covered metallic object.