One-dimensional Kondo lattice at partial band filling

被引：66
|
作者：
Honner, G
Gulacsi, M
机构：
[1] Department of Theoretical Physics, Institute of Advanced Studies, The Australian National University, ACT
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.78.2180
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An effective Hamiltonian for the localized spins in the one-dimensional Kondo lattice model is derived via a unitary transformation involving a bosonization of delocalized conduction electrons. The effective Hamiltonian is shown to reproduce all the features of the model as identified in various numerical simulations, and provides much new information on the ferromagnetic to paramagnetic phase transition and the paramagnetic phase.
引用
收藏
页码：2180 / 2183
页数：4
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