The Kondo lattice model from strong-coupling viewpoint

被引：3
|
作者：
Kotov, VN [1 ]
Hirschfeld, PJ [1 ]
机构：
[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
来源：
PHYSICA B-CONDENSED MATTER | 2002年 / 312卷
关键词：
quantum transitions; Kondo effect; bond operators;
D O I：
10.1016/S0921-4526(01)01487-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We study the magnetic excitation spectrum of the two-dimensional (2D) square-lattice S = (1)/(2) Kondo lattice model at finite (hole) doping, by representing the Hamiltonian in terms of a set of local excitations. The location of the paramagnetic-antiferromagnetic phase boundary at T = 0 is determined. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：174 / 175
页数：2
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