Finite-temperature properties of the two-orbital anderson model

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Inst de Fis Gleb Wataghin, UNICAMP, CP 6165, 13083-970 Campinas, SP, Brazil [1 ]
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J Phys Condens Matter | / 44卷 / 8689-8695期
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The metallic phase of the two-orbital Anderson lattice is studied 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 is observed in the metallic phase of the two-channel Kondo lattice. Possible connections between these two models are discussed.
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