Magnon-polaritons and magnetic reststrahlen-bands of uniaxial antiferromagnetic crystals
1985
Abstract The magnitudinal and directional dispersion of the two kinds of magnon-polaritons (magnitons) in uniaxial antiferromagnetic crystals is studied. In particular a proof is given for the existence of a purely longitudinal magnon propagating perpendicular to the optic axis. Furthermore, the corresponding magnetic reststrahlenbands for crystal cuts are discussed.
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