Effect of nonresonance interaction of a varying magnetic field with the magnon system on the parametric instability level
A. A. ZvyaginB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy Sciences, KharkovYa. Yu. SegalB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy Sciences, KharkovV. M. TsukernikB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy Sciences, Kharkov
ABI
Аннотация
The parametric effect of a varying magnetic field on a magnon systems is investigated under longitudinal pumping conditions (the constant and the varying fields are directed along the easy axis) without using the resonance approximation. It is shown that the system is parametrically stable for a strong linear attenuation for any value of the pumping amplitude.
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