Simple Description of the Anisotropic 2-Channel Kondo Problem

P Coleman, Andrew Schofield

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)2184-2187
Number of pages4
JournalPhysical Review Letters
Volume75
Issue number11
DOIs
Publication statusPublished - 11 Sep 1995

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