Abstract
Generation and excitation of a magnetic soliton in a three-layer ferromagnet using dc magnetic fields and weak ac fields in the presence of dissipation in the system have been considered. An analysis of the solutions to the equation of motion in an ac field shows the possibility of increasing the magnetic-soliton amplitude with time under certain conditions. The resonance effect is also affected by the geometric parameters of the thin layer: the translational mode of soliton oscillations is excited at a large layer width.
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Funding
The studies by E.G. Ekomasov and K.Yu. Samsonov were supported by the Russian Foundation for Basic Research, project no. 20-31-90048. The studies by V.N. Nazarov were performed within the framework of state assignment no. AAAA-A19-119022290052-9.
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Translated by A. Sin’kov
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Ekomasov, E.G., Nazarov, V.N., Samsonov, K.Y. et al. The Possibility of Controlling the Dynamics and Structure of a Magnetic Soliton in a Three-Layer Ferromagnetic Structure. Tech. Phys. Lett. 47, 499–502 (2021). https://doi.org/10.1134/S1063785021050229
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DOI: https://doi.org/10.1134/S1063785021050229