Observation of spatiotemporal self-focusing of spin waves in magnetic films

  • The first observation of spatiotemporal self-focusing of spin waves is reported. The experimental results are obtained for dipolar spin waves in yttrium-iron-garnet films by means of a newly developed space- and time-resolved Brillouin light scattering technique. They demonstrate self-focusing of a moving wave pulse in two spatial dimensions, and formation of localized two-dimensional wave packets, the collapse of which is stopped by dissipation. The experimental results are in good qualitative agreement with numerical simulations.

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Metadaten
Author:Martin Bauer, Oliver Büttner, Serguei Demokritov, Burkard Hillebrands, Y. Grimalsky, Yu Rapoport, Slavin A.N.
URN (permanent link):urn:nbn:de:hbz:386-kluedo-9140
Document Type:Preprint
Language of publication:English
Year of Completion:1998
Year of Publication:1998
Publishing Institute:Technische Universität Kaiserslautern
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:530 Physik

$Rev: 12793 $