DYNAMICS OF CHANGES IN THE SYMMETRY OF A DIFFRACTION GRATING FORMED FROM MAGNETIC DOMAINS.

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作者：

Nabokin, P.I.

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来源：

Soviet Physics, Solid State (English translation of Fizika Tverdogo Tela) | 1975年 / 17卷 / 11期

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OPTICAL INSTRUMENTS - Gratings;

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摘要：

The results are given of experimental and theoretical studies of the velocity of transient motion of domain walls in a magnetic crystal subjected to a magnetic field ″step″ . A calculation is made of the time of change of the symmetry of a grating formed from magnetic domains allowing for a demagnetizing field. This time decreases with reduction in the domain width, as confirmed by our experiments. Allowance for the demagnetizing field in crystals characterized by weak damping gives rise to a new expression for the domain wall mobility which is independent of the damping parameter.

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页码：2140 / 2143