Transverse Domain Walls in Thin Ferromagnetic Strips
Transverse Domain Walls in Thin Ferromagnetic Strips
复制标题
铁磁薄带中的横向畴壁
DOI:
10.1007/s00205-023-01868-7
复制
发表时间:
2023
影响因子:
2.5
通讯作者:
Slastikov, V. V.
中科院分区:
文献类型:
--
作者:
Morini, M.;Muratov, C. B.;Novaga, M.;Slastikov, V. V.
We present a characterization of the domain wall solutions arising as minimizers of an energy functional obtained in a suitable asymptotic regime of the micromagnetics for infinitely long thin film ferromagnetic strips in which the magnetization is forced to lie in the film plane. For the considered energy, we provide the existence, uniqueness, monotonicity, and symmetry of the magnetization profiles in the form of 180and 360walls. We also demonstrate how this energy arises as a-limit of the reduced two-dimensional thin film micromagnetic energy that captures the non-local effects associated with the stray field, and characterize its respective energy minimizers.
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