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Mode beating of spin wave beams in ferrimagnetic Lu2.04Bi0.96Fe5O12 films

  • Absract: We report on measurements of the two-dimensional intensity distribtion of linear and non-linear spin wave excitations in a LuBiFeO film. The spin wave intensity was detected with a high-resolution Brillouinlight scatteringspectroscopy setup. The observed snake-like structure of the spin wave intensity distribution is understood as a mode beating between modes with different lateral spin wave intensity distributions. The theoretical treatment of the linear regime is performed analytically, whereas the propagation of non-linear spin waves is simulated by a numerical solution of a non-linear Schrödinger equation with suitable boundary conditions.

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Author:Oliver Büttner, Martin Bauer, Christoph Mathieu, Serguei Demokritov, Burkard Hillebrands, P.A. Kolodin, M.P. Kostylev, S. Sure, H. Dötsch, V. Grimalsky, Yu. Rapoport, A.N. Slavin
URN (permanent link):urn:nbn:de:hbz:386-kluedo-8449
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of Publication:1999
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2001/03/02
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
Licence (German):Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011