Electronic structure and effective Hamiltonian in perovskite Mn oxides

被引：88
|
作者：
Ishihara, S
Inoue, J
Maekawa, S
机构：
[1] Department of Applied Physics, Nagoya University
来源：
PHYSICA C | 1996年 / 263卷 / 1-4期
关键词：
D O I：
10.1016/0921-4534(96)00085-8
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In order to investigate electronic and magnetic structures in perovskite Mn oxides, we consider the effective Hamiltonian derived from the generalized ferromagnetic Kondo-Hubbard model. The mean-field approximation is adopted to analyze the ordered states of the spin and orbital degrees of freedom in the insulating state. As the excitations in the ordered states, we consider the spin and orbital waves and their dispersion relations are calculated.
引用
收藏
页码：130 / 133
页数：4
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