FERROMAGNETISM IN THE KONDO-LATTICE MODEL

被引：2
|
作者：
SIGRIST, M
TSUNETSUGU, H
UEDA, K
机构：
[1] SWISS FED INST TECHNOL, THEORET PHYS ABT, CH-8093 ZURICH, SWITZERLAND
[2] SWISS FED INST TECHNOL, INTERDISZIPLINARES SUPERCOMP, CH-8092 ZURICH, SWITZERLAND
来源：
PHYSICA B-CONDENSED MATTER | 1993年 / 186-88卷
关键词：
D O I：
10.1016/0921-4526(93)90741-N
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The low-concentration limit of the Kondo lattice model is analyzed. The ground state for one conduction electron is ferromagnetic in any dimension (rigorous result). A spin wave analysis in 3D shows that the ferromagnetic state is suppressed by spin fluctuations above a critical band filling n(c) almost-equal-to 0.6%.
引用
收藏
页码：913 / 914
页数：2
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