Chaos in ac-driven motion of confined magnetic domain wall

Katsuyosh Matsushita, Munetak Sasaki, Tsuyosh Chawanya

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We examined ac-driven motion of a confined magnetic domain wall for its time periodicity in order to explore current-induced chaos of domain wall motion. It is known that the motion is a time periodic or nonperiodic, depending on ac amplitude. We showed that the transition from the time periodic to nonperiodic motion occurs with a period doubling cascade with increasing ac amplitude. In the transition, the attractor changes from a periodic to chaotic one through the cascade and further changes into another chaotic one in a crisis at a higher ac amplitude. We also showed that the transition from nonperiodic to periodic motion with increasing ac amplitude originates from the emergence of the periodic attractor with the disappearance of the chaotic attractor.

Original languageEnglish
Article number063801
Journaljournal of the physical society of japan
Volume81
Issue number6
DOIs
Publication statusPublished - 2012 Jun

Keywords

  • Ac-driven dynamics
  • Chaos
  • Domain wall

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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