Saturation effect under longitudinal pumping in a biaxial two-sublattice spin chain
A. A. ZvyaginB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, KharkovYa. Yu. SegalB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, KharkovV. M. TsukernikB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, Kharkov
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The resonance effect produced by a varying magnetic field parallel to the constant field on a two-sublattice spin chain with biaxial magnetic anisotropy is studied theoretically. It is shown that the system does not exhibit a parametric instability. The absorbed power is determined and the resonance frequency-field dependences are investigated.
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