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Article overview
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Formation of quasi-solitons in transverse confined ferromagnetic film
media | A.A. Serga
; M. Kostylev
; B. Hillebrands
; | Date: |
31 Mar 2007 | Subject: | nlin.PS (Pattern Formation and Solitons) | Abstract: | The formation of quasi-2D spin-wave waveforms in longitudinally magnetized
stripes of ferrimagnetic film was observed by using time- and space-resolved
Brillouin light scattering technique. In the linear regime it was found that
the confinement decreases the amplitude of dynamic magnetization near the
lateral stripe edges. Thus, the so-called effective dipolar pinning of dynamic
magnetization takes place at the edges.
In the nonlinear regime a new stable spin wave packet propagating along a
waveguide structure, for which both transversal instability and interaction
with the side walls of the waveguide are important was observed. The
experiments and a numerical simulation of the pulse evolution show that the
shape of the formed waveforms and their behavior are strongly influenced by the
confinement. | Source: | arXiv, arxiv.0704.0024 | Services: | Forum | Review | PDF | Favorites |
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