Collision properties of quasi-one-dimensional spin wave solitons and two-dimensional spin wave bullets

A.N. Slavin, O. Buttner, M. Bauer, S.O. Demokritov, B. Hillebrands, Mikhail Kostylev, B.A. Kalinikos, V.V. Grimalsky, Y. Rapoport

    Research output: Contribution to journalArticle

    30 Citations (Scopus)

    Abstract

    Collision properties of quasi-one-dimensional spin wave envelope solitons propagating in narrow ferrite film waveguides and of two-dimensional self-focused spin wave packets (spin wave bullets) propagating in wide ferrite film samples are studied both experimentally and numerically. The experiments, performed by means of a space- and time-resolved Brillouin light scattering technique, have shown that quasi-one-dimensional spin wave envelope solitons retain their shapes after collisions, while two-dimensional spin wave bullets are destroyed in collisions. The experiments have also shown that the introduction of a fixed phase shift between the colliding envelope solitons leads to a qualitative change in their interaction at the collision point. Numerical modeling of head-on collisions of nonlinear spin wave packets based on two different approaches provides a good qualitative description of the observed collision phenomena. (C) 2003 American Institute of Physics.
    Original languageEnglish
    Pages (from-to)693-701
    JournalChaos
    Volume13
    Issue number2
    DOIs
    Publication statusPublished - 2003

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