Theory of acoustic analog of magneto-optic Kerr effect under magnon-phonon resonance
classification
⚛️ physics.class-ph
physics.gen-ph
keywords
acousticanalogeffectkerrmagneticmagnon-phononresonancetheory
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Theory of the acoustic analog of the polar Kerr effect is developed for an inclined incidence of the p-type wave on the interface between isotropic non-magnetic medium and ferromagnetic cubic crystal. Magnetic field dependences of ellipticity and rotation of the polarization plane of the reflected wave under magnon-phonon resonance are analysed in a weak-coupling approximation for interaction of magnetic and elastic subsystems.
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