SIMPLE DESCRIPTION OF THE ANISOTROPIC 2-CHANNEL KONDO PROBLEM

被引：33

作者：

COLEMAN, P

SCHOFIELD, AJ

机构：

[1] Department of Physics, Rutgers University, Piscataway, NJ 08855-0849

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 11期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.75.2184

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We adapt the strong-coupling method first used in the one-channel Kondo model to develop a simple description of the spin-1/2 two-channel Kondo model with channel anisotropy. Our method exploits spin-charge decoupling to develop a compactified Hamiltonian that describes the spin excitations. The structure of the fixed-point Hamiltonian and quasiparticle impurity S matrix are incompatible with a Fermi-liquid description.

引用

页码：2184 / 2187

页数：4

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