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Chaotic dynamics of periodically driven domain walls in magnetic garnet films

✍ Scribed by A. Sukiennicki; R.A. Kosiński

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
367 KB
Volume
9
Category
Article
ISSN
0960-0779

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✦ Synopsis

Nonlinear dynamics was investigated theoretically for the magnetic domain wall in a bubble garnet film for the case of the periodic drive field. Analysis of the phase trajectories, the Poincard sections and the spatio-temporal diagrams was performed. Pattern entropies, power spectral densities and correlation functions were analyzed. As a result, it was found that, depending on the period and amplitude of the drive field, a motion of the wall is periodic, quasi-periodic or chaotic. Very peculiar behaviour of the spatial correlation was found for the quasi-periodic and chaotic states.

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