Abstract
The conditions for the appearance of self-oscillating and stochastic regimes in an exchange-coupled multilayer structure in the presence of a longitudinal high-frequency magnetic field are studied. Bifurcational diagrams are constructed that reveal various types of dynamic states of magnetic moments in the multilayer structure and transitions between these states with varying the frequency of the ac field. Attractors of stochastic oscillations are studied, and Lyapunov exponents determining the divergence of their phase trajectories are numerically calculated.
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Translated from Fizika Tverdogo Tela, Vol. 46, No. 11, 2004, pp. 2006–2013.
Original Russian Text Copyright © 2004 by Shuty\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Sementsov.
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Shutyi, A.M., Sementsov, D.I. Stochastic high-frequency precession of magnetization in layered structures with antiferromagnetic ordering. Phys. Solid State 46, 2073–2080 (2004). https://doi.org/10.1134/1.1825552
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DOI: https://doi.org/10.1134/1.1825552