NUCLEATION OF MAGNETIZATION REVERSAL VIA THE CURLING MODE FOR AN INFINITE CYLINDER

被引:8
作者
BROZ, JS
BALTENSPERGER, W
机构
[1] Theoretische Physik, Eidgenossische Technische Hochschule Honggerberg
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 13期
关键词
D O I
10.1103/PhysRevB.45.7307
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For an infinite ferromagnetic cylinder with exchange, uniaxial anisotropy, demagnetizing field, and an external magnetic field applied along its axis curling-mode solutions to Brown's equation (the static Landau-Lifshitz equation) exist. It is proved that these solutions are unstable, and by analogy to a specific-sized water droplet in a supersaturated vapor for which an unstable equilibrium exists, the solution for a given magnetic field is shown to be the configuration of smallest energy through which magnetization reversal can nucleate in the curling mode.
引用
收藏
页码:7307 / 7310
页数:4
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