Magnetoplasma oscillations in a small conducting sphere
We study the eigenmodes of a free-carrier lossless magnetoplasma in a small conducting sphere. We determine the frequencies of the oscillations, the motion of the carriers, charge densities etc. The modes fall into three classes of bulk-, surface-, and helicon-like magnetoplasmons. The interaction of the modes with an external electromagnetic field is calculated and the expressions for the power absorption are given.
KeywordsRadiation Field Static Magnetic Field Surface Charge Density Magnetic Dipole Moment External Electromagnetic Field
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