Dzyaloshinskii-Moriya domain walls in magnetic nanotubes

Arseni Goussev, J. M. Robbins, Valeriy Slastikov, Oleg A. Tretiakov

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We present an analytic study of domain-wall statics and dynamics in ferromagnetic nanotubes with spin-orbit-induced Dzyaloshinskii-Moriya interaction (DMI). Even at the level of statics, dramatic effects arise from the interplay of space curvature and DMI: the domains become chirally twisted, leading to more compact domain walls. The dynamics of these chiral structures exhibits several interesting features. Under weak applied currents, they propagate without distortion. The dynamical response is further enriched by the application of an external magnetic field: the domain-wall velocity becomes chirality dependent and can be significantly increased by varying the DMI. These characteristics allow for enhanced control of domain-wall motion in nanotubes with DMI, increasing their potential as information carriers in future logic and storage devices.

Original languageEnglish
Article number054418
Number of pages7
JournalPhysical Review B
Issue number5
Early online date1 Feb 2016
Publication statusPublished - 22 Feb 2016


  • RCUK
  • EP/K024116/1
  • EP/K02390X/1


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