Possibility of the appearance of spin autowaves in a model of a ferromagnet with nonuniform dissipation |
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Authors: | Yu N Proshin R B Tagirov |
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Institution: | (1) Kazan’ State University, 420008 Kazan, Russia |
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Abstract: | A model of a ferromagnet with nonuniform dissipation is introduced for the Landau-Lifshitz equations. It is shown that in
this model a ferromagnet can be regarded as an oscillating active medium where the formation of autowave structures — spin
autowaves, pacemakers, and spiral waves — is possible. Their wave characteristics, expressed in terms of the parameters of
the medium, are found for a special case.
Fiz. Tverd. Tela (St. Petersburg) 39, 513–515 (March 1997) |
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