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Dynamics of topological solitons in two-dimensional ferromagnets
Authors:D. D. Sheka  C. Schuster  B. A. Ivanov  F. G. Mertens
Affiliation:(1) National Taras Shevchenko University of Kiev, 03127 Kiev, Ukraine;(2) Physics Institute, University of Bayreuth, 95440 Bayreuth, Germany;(3) Institute of Magnetism, 04071 Kiev, Ukraine
Abstract:
Dynamical topological solitons are studied in classical two-dimensional Heisenberg easy-axis ferromagnets. The properties of such solitons are treated both analytically in the continuum limit and numerically by spin dynamics simulations of the discrete system. Excitation of internal mode causes orbital motion. This is confirmed by simulations.
Keywords:75.10.Hk Classical spin models  75.30.Ds Spin waves  05.45.-a Nonlinear dynamics and chaos  75.40.Mg Numerical simulation studies
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