Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures

Details Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures

2008-04-14

arxiv.org/abs/0804.2200v1

Physics

Condensed Matter

Materials Science

Scientific paper

10.1088/0022-3727/41/16/164017

The spatial profiles and the dissipation characteristics of spin-wave quasi-eigenmodes are investigated in small magnetic Ni$_{81}$Fe$_{19}$ ring structures using Brillouin light scattering microscopy. It is found, that the decay constant of a mode decreases with increasing mode frequency. Indications for a contribution of three-magnon processes to the dissipation of higher-order spin-wave quasi-eigenmodes are found.

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