Domain-Wall Motion in Ferromagnetic Nanowires Driven by Arbitrary Time-Dependent Fields: An Exact Result

AO Goussev, JM Robbins, V Slastikov

Research output: Contribution to journalArticle (Academic Journal)

22 Citations (Scopus)

Abstract

We address the dynamics of magnetic domain walls in ferromagnetic nanowires under the influence of external time-dependent magnetic fields. We report a new exact spatiotemporal solution of the Landau-Lifshitz-Gilbert equation for the case of soft ferromagnetic wires and nanostructures with uniaxial anisotropy. The solution holds for applied fields with arbitrary strength and time dependence. We further extend this solution to applied fields slowly varying in space and to multiple domain walls.
Translated title of the contributionDomain-Wall Motion in Ferromagnetic Nanowires Driven by Arbitrary Time-Dependent Fields: An Exact Result
Original languageEnglish
Article number147202
Number of pages3
JournalPhysical Review Letters
Volume104
Issue number14
DOIs
Publication statusPublished - 6 Apr 2010

Bibliographical note

Publisher: APS

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