1995•Physical Review LettersRequires access

Crossover from Non-Fermi-Liquid to Fermi-Liquid Behavior in the Two Channel Kondo Model with Channel Anisotropy

Michele Fabrizio, Alexander O. Gogolin, P. Nozières

Abstract

We present a solution of the two channel Kondo model with channel anisotropic exchange couplings. The solution provides an analytic description of the crossover from a high temperature regime, dominated by the non-Fermi-liquid behavior of the isotropic two channel Kondo model, to a low temperature regime characterized by the standard Fermi-liquid behavior of the single channel Kondo model.

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Key concepts: Kondo model, Fermi liquid theory, Crossover, Condensed matter physics, Anisotropy, Kondo effect, Physics, Isotropy