Self-focusing magnetostatic beams in thin magnetic films

Details Self-focusing magnetostatic beams in thin magnetic films Self-focusing magnetostatic beams in thin magnetic films

2004-07-15

arxiv.org/abs/cond-mat/0407406v1

Eur. Phys. J. B, v.41, 219 (2004)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 3 figures

Scientific paper

10.1140/epjb/e2004-00313-8

The possibility of generation of stable self-focusing beams in in-plane magnetized thin magnetic films is considered and theoretical conditions for the existence of such localized solutions are discussed. It is shown that for the definite direction between static magnetizing field and preferential direction of radiation from microwave antenna the problem reduces to the one-dimensional nonlinear Schroedinger equation. For such angles it is possible to generate stable self-focusing beams. Particular values of beam width and propagation angles versus magnitude of magnetizing field are calculated in order to suggest the realistic experimental setup for the observation of discovered effect.

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