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Domain wall motion in ferromagnets modelled by a quintic complex Ginzburg-Landau equation

  • Statistical and Nonlinear Physics
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Abstract.

A quintic complex Ginzburg-Landau equation is derived from a Landau-Lifshitz-Gilbert equation and is used to describe the magnetization dynamics in a one-dimensional uni-axial ferromagnet. Trough the use of suitable approximations, we derive the magnetic solitary wave excitations solutions which have pulse-like shapes. Subsequent numerical simulations reveal domain wall propagation.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science University of Douala, Fundamental Physics Laboratory Group of, Nonlinear Science and Complex Systems, P.O. Box, 24157, Douala, Cameroon

    J.-P. Nguenang & T. Njassap Njassap

  2. Condensed Matter and Statistical Physics section of the Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34014, Trieste, Italy

    J.-P. Nguenang

  3. Laboratoire de Mécanique, Faculté des Sciences, Université de Yaoundé I B.P. 812, Yaoundé, Cameroun

    T. C. Kofané

Authors
  1. J.-P. Nguenang
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  2. T. Njassap Njassap
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  3. T. C. Kofané
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Correspondence to J.-P. Nguenang.

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Nguenang, JP., Njassap Njassap, T. & Kofané, T. Domain wall motion in ferromagnets modelled by a quintic complex Ginzburg-Landau equation. Eur. Phys. J. B 65, 539 (2008). https://doi.org/10.1140/epjb/e2008-00362-y

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  • DOI: https://doi.org/10.1140/epjb/e2008-00362-y

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