Resistivity of the Two-Channel Kondo Model in Infinite Dimensions

Details Resistivity of the Two-Channel Kondo Model in Infinite Dimensions Resistivity of the Two-Channel Kondo Model in Infinite Dimensions

1994-05-17

arxiv.org/abs/cond-mat/9405049v2

Physics

Condensed Matter

(5 Pages, REVTEX format, one postscript figure to be stripped off and printed separately)

Scientific paper

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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