Propagation of solitons of the magnetization in magnetic nano-particle arrays
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It is clarified for the first time that solitons originating from the dipolar interaction in ferromagnetic nano-particle arrays are stably created. The characteristics can be well controlled by the strength of the dipolar interaction between particles and the shape anisotropy of the particle. The soliton can propagate from a particle to a neighbor particle at a clock frequency even faster than 100 GHz using materials with a large magnetization. Such arrays of nano-particles might be feasible in an application as a signal transmission line.
RevTeX, 3 pages, 3 PostScript figures, To appear in Journal of Magnetism and Magnetic Materials
RevTeX, 3 pages, 3 PostScript figures, To appear in Journal of Magnetism and Magnetic Materials