Metal-insulator transition in the half-filled Kondo lattice

被引：1
|
作者：
Duhem, F [1 ]
Lacroix, C [1 ]
机构：
[1] CNRS, Lab Louis Neel, F-38042 Grenoble 9, France
来源：
SOLID STATE COMMUNICATIONS | 2000年 / 115卷 / 05期
关键词：
heavy fermions; Kondo effects;
D O I：
10.1016/S0038-1098(00)00167-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The metal-insulator transition within the Kondo lattice model is studied. We show that the ground state at half-filling depends on the conduction electron dispersion relation; metallic Kondo states can be obtained. We also calculate the temperature of the metal-insulator transition; this temperature can be equal or smaller than the Kondo temperature depending on the model parameters. (C) 2000 Elsevier Science Ltd All rights reserved.
引用
收藏
页码：257 / 260
页数：4
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