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Resistivity of the Two-Channel Kondo Model in Infinite Dimensions

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arxiv cond-mat/9405049 v2 pith:TKNHGNLL submitted 1994-05-17 cond-mat

classification cond-mat
keywords resistivitykondosymmetrytwo-channelappliedinfinitelatticelimit
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abstract

Analytic results for the resistivity of the two-channel Kondo lattice in a particular infinite dimensional limit (Lorentzian density of states) are presented. It is argued that in the absence of symmetry breaking phase transitions or applied fields there is a residual resistivity at zero temperature due to the spin disorder scattering off of the two-channel screening clouds. This may explain the unusual resistivity of UBe$_{13}$. For the same limit the single channel Kondo lattice is an insulator states at particle hole symmetry and half filling, but metallic away from particle-hole symmetry or in applied magnetic field.

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  1. Two Channel Multi impurity Kondo model

    cond-mat.str-el 2025-02 conditional novelty 5.0 of 10

    RKKY interactions between two-channel Kondo impurities drive the system to a new WZNW quantum critical point with spin dimension 1/(N+1) and gamma ~ T^{-3/(N+1)}.

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