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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