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Magnetostatic waves in the gap of ferromagnetic crystals with relative longitudinal displacement

E. A. Vilkov, A. V. Moiseev

Ul'yanovsk Branch of Institute of Radioengineering and Electronics, Russian Academy of Sciences

Abstract: The propagation of magnetostatic gap waves in the gap between two oppositely magnetized ferromagnets with a relative longitudinal displacement is considered. It is shown that the relative motion of the crystals has the form of the spectrum of magnetostatic waves. In particular, it is found that for certain values of the gap width, the velocity of relative motion of the crystals, and the magnetostatic wavelength, normal (anomalous) dispersion of the symmetric (antisymmetric) mode of the gap structure is transformed into the anomalous (normal) type of dispersion.

Received: 05.10.2009

 English version: Technical Physics, 2010, 55:6, 890–892

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