EFFECT OF SPATIAL FLUCTUATIONS OF THE MAGNETIZATION MODULUS ON THE PROPERTIES OF AMORPHOUS FERROMAGNETS

被引：0

作者：

DEICH, LI

IGNATCHENKO, VA

机构：

来源：

ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI | 1991年 / 99卷 / 03期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model of amorphous ferromagnets with longwave spatial fluctuations of the magnetization modulus M is studied. It is shown that for a correct understanding of the properties of the model, it is principally necessary to take into account the magnetic dipole interaction. This interaction enhances the contribution of the fluctuations of M to the ground state, dispersion law and spin wave attenuation. The spectral and correlation properties of the inhomogeneous ground state and the law of approach of the magnetization to saturation in the model are studied. The dispersion law and spin wave attenuation are investigated. A novel mechanism of formation of a correction of the form T5/2 to the Bloch law in the low temperature dependence of the magnetization is proposed.

引用

页码：816 / 830

页数：15

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