Prediction of topological Hall effect in a driven magnetic domain wall

Kab Jin Kim, Masahito Mochizuki, Teruo Ono

研究成果: Article査読

抄録

We investigate the possible emergence of topological Hall effect (THE) in a driven magnetic domain wall (DW). Numerical simulations based on the Landau-Lifshitz-Gilbert-Slonczewski equation shows that the emergent magnetic flux appears when the DW is in a non-equilibrium state. The magnitude of magnetic flux is modulated by the Dzyaloshinskii-Moriya interaction (DMI), providing an experimental test of the predicted THE by a voltage controlled DMI modulation. These results indicate that the THE can be observed even in a topologically trivial magnetic DW, and therefore open up new possibility to electrically detect the dynamical spin structure.

本文言語English
論文番号053006
ジャーナルApplied Physics Express
12
5
DOI
出版ステータスPublished - 2019 5 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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