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Thermodynamics of a spin 1/2 Anderson impurity in theU→∞ limit

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Zeitschrift für Physik B Condensed Matter

Abstract

The Bethe-ansatz equations describing the thermodynamics of the non-degenerate Anderson model are derived in theU→∞ limit (double occupation of the localized level is excluded). The set of Bethe-ansatz equations for theU→∞ limit is considerably different from the one for the finiteU case. The Kondo limit, the Fermi liquid behavior at lowT and the highT perturbation expansion for the thermodynamic potential are extracted from these equations.

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Authors and Affiliations

  1. Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, D-1000, Berlin 33, Germany

    P. Schlottmann (Heisenberg-fellow of the Deutsche Forschungsgemeinschaft)

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  1. P. Schlottmann
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Heisenberg-fellow of the Deutsche Forschungsgemeinschaft

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Schlottmann, P. Thermodynamics of a spin 1/2 Anderson impurity in theU→∞ limit. Z. Physik B - Condensed Matter 52, 127–132 (1983). https://doi.org/10.1007/BF01445293

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  • DOI: https://doi.org/10.1007/BF01445293

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