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Thermodynamics of a model for valence fluctuations between two magnetic configurations

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Zeitschrift für Physik B Condensed Matter

Abstract

The thermodynamic Bethe-Ansatz equations of a model describing valence fluctuations between two magnetic configurations are derived. The model includes a spin-1/2 and a spin-1 configurations hybridized through the promotion of an electron to a conduction band.

Thes−d like limits are reproduced. An expression for the specific heat at low temperatures is obtained.

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Authors and Affiliations

  1. Centro Atómico Bariloche e Instituto Balseiro, Comisión Nacional de Energía Atómica and Universidad Nacional de Cuyo, RA-8400, Bariloche, Argentina

    C. R. Proetto, C. A. Balseiro & A. A. Aligia

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  1. C. R. Proetto
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  2. C. A. Balseiro
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  3. A. A. Aligia
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Proetto, C.R., Balseiro, C.A. & Aligia, A.A. Thermodynamics of a model for valence fluctuations between two magnetic configurations. Z. Physik B - Condensed Matter 59, 413–418 (1985). https://doi.org/10.1007/BF01328850

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  • DOI: https://doi.org/10.1007/BF01328850

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