MAGNETIC EXCITATIONS IN A DILUTE FERROMAGNET WITH NONUNIAXIAL SINGLE-ION-ANISOTROPY

被引：1

作者：

HONG, Q

机构：

[1] Department of Physics and Astronomy, State University of New York at Buffalo, Amherst

来源：

PHYSICS LETTERS A | 1994年 / 185卷 / 02期

关键词：

D O I：

10.1016/0375-9601(94)90853-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A Green function formalism is employed to study the effect of nonuniaxial single-ion anisotropy on the magnetic excitations in a dilute ferromagnet. The local density of spin wave states (LDOS) is obtained via diagonalizing the transfer matrix in the Bethe lattice approximation. The dependence of LDOS and the average magnetization on the anisotropy strength is calculated numerically.

引用

页码：226 / 230

页数：5

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