Finite-temperature properties of the two-orbital Anderson model
Luis Craco
TL;DR
This paper investigates the finite-temperature behavior of the two-orbital Anderson lattice in infinite dimensions, revealing similarities with the two-channel Kondo lattice and discussing their potential connections.
Contribution
It introduces a second order perturbation approach to analyze the finite-temperature properties of the two-orbital Anderson model in the Kondo regime.
Findings
Finite-temperature properties resemble those of the two-channel Kondo lattice.
The study suggests possible connections between the two models.
Uses infinite-dimensional limit for analytical tractability.
Abstract
The metallic phase of the two-orbital Anderson lattice is study in the limit of infinite spatial dimensions, where a second order perturbation treatment is used to solve the single-site problem. Using this approximation, in the Kondo regime, we find that the finite temperature properties of the conduction electrons exhibit the same behaviour as observed in the metallic phase of the two-channel Kondo lattice. Possible connections between these two models are discussed.
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