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Phys Rev Lett. 2005 Dec 2;95(23):237202. Epub 2005 Nov 28.

Self-generation of chaotic solitary spin wave pulses in magnetic film active feedback rings.

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  • 1Department of Physics, Colorado State University, Fort Collins, Colorado 80523, USA.


The chaotic self-generation of short solitary spin wave pulses has been observed for the first time. The pulses were produced from parametrically excited spin waves in an yttrium-iron-garnet film in an active feedback ring under conditions where both three-wave and four-wave parametric processes were allowed. The power-frequency spectrum was broadband and chaotic.

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