Longitudinal pumping in a biaxial spin chain with site spin <i>S</i> = 1
A. A. ZvyaginB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 KharkovYa. Yu. SegalB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 Kharkov
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The effect of a varying magnetic field collinear with the constant field on an antiferromagnetic spin chain with a weak biaxial magnetic anisotropy is investigated. The power of the varying field absorbed by the system is determined and the frequency–field dependences of resonance processes are analyzed.
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