Forced motion of breathers and domain boundaries against the background of nonlinear magnetization wave

V.V. Kiselev and A.A. Rascovalov

Chaos, Solitons & Fractals, 2012, vol. 45, issue 12, 1551-1565

Abstract: Exact solutions of Landau–Lifshitz equation for a ferromagnet with an easy-axis anisotropy, which describe interaction of nonlinear precession wave of large amplitude with soliton-like objects, such as breathers, solitary domains and domain boundaries, are found by the “dressing” method. The change of the internal structure and physical parameters of solitons due to interaction with magnetization wave is analyzed. It is shown, that both solitary domains and domain walls move toward the wave. The conditions for the destruction of solitons by the nonlinear magnetization wave are obtained. An infinite series of integrals of motion, that stabilize the solitons on the background of magnetization wave, is found.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:45:y:2012:i:12:p:1551-1565

DOI: 10.1016/j.chaos.2012.09.004

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