Domain wall motion in magnetic nanowires: an asymptotic approach

Arseni Goussev, Ross Lund, Jonathan Robbins, Valeriy Slastikov, Charles Sonnenberg

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


We develop a systematic asymptotic description for domain wall motion in one-dimensional magnetic nanowires under the influence of small applied magnetic fields and currents and small material anisotropy. The magnetization dynamics, as governed by the Landau–Lifshitz–Gilbert equation, is investigated via a perturbation expansion. We compute leading-order behaviour, propagation velocities and first-order corrections of both travelling waves and oscillatory solutions, and find bifurcations between these two types of solutions. This treatment provides a sound mathematical foundation for numerous results in the literature obtained through more ad hoc arguments.
Original languageEnglish
Pages (from-to)20130308
JournalProceedings of the Royal Society A
Issue number2160
Publication statusPublished - 2013


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