Effects of an oscillating field on magnetic domain patterns: Emergence of concentric-ring patterns surrounding a strong defect

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Oscillating fields can make domain patterns change into various types of structures. Numerical simulations show that concentric-ring domain patterns centered at a strong defect are observed under a rapidly oscillating field in some cases. The concentric-ring pattern appears near the threshold of spatially uniform patterns in high-frequency cases. The threshold is theoretically estimated and the theoretical threshold is in good agreement with numerical one in a high-frequency region. The theoretical analysis gives also good estimations of several characteristics of domain patterns for high frequencies.

本文言語English
論文番号016209
ジャーナルPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
80
1
DOI
出版ステータスPublished - 2009 8 6
外部発表はい

ASJC Scopus subject areas

  • 統計物理学および非線形物理学
  • 統計学および確率
  • 凝縮系物理学

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