NUCLEATION RATES FOR MAGNETIZATION REVERSAL IN BIAXIAL FERROMAGNETS

被引：3
|
作者：
BRAUN, HB
机构：
[1] Theoretische Physik, ETH-Hönggerberg, 8093, Zurich
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 06期
基金：
美国国家科学基金会;
关键词：
9;
D O I：
10.1109/20.278947
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A biaxial ferromagnet in an external magnetic field is considered. A metastable state is realized when the magnetization is uniform and pointing antiparallel to the external field. At finite temperature fluctuations drive the configuration over the lowest lying saddle point of energy. A known unstable structure is identified as this saddle point and nucleations rates are calculated by means of the Brinkman/Landauer-Swanson/Langer (BLSL) approach.
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页码：4787 / 4789
页数：3
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