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Some exact results for the anderson model of an impurity

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Il Nuovo Cimento D

Summary

General formulae for the valence, charge and spin susceptibility, and specific heat at low temperature and zero magnetic field are obtained for the Anderson model of an impurity with the use of the Betheansatz method, following the work of Tsvelick and Wiegmann.

Riassunto

Si ottengono formule generali per la valenza, la carica e suscettibilità di spin e per il calore specifico a temperatura bassa e campo magnetico zero per il modello di Anderson di un'impurità con l'uso del metodo dell'ansatz di Bethe seguendo il lavoro di Tsvelick e Wiegmann.

Резюме

Получаются общие формулы для валентности, заряда, спиновой восприимчивости и удельной теплоемкости при низкой температуре и нулевом магнитном поле для модели Андерсона для описания примеси с использованием подхода Бете.

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Authors and Affiliations

  1. Departmento de Fisica de la Materia Condensada (C-XII), Univeridad Autonoma de Madrid, E-28049, Madrid, Spain

    J. Ferrer

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  1. J. Ferrer
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Ferrer, J. Some exact results for the anderson model of an impurity. Il Nuovo Cimento D 12, 53–59 (1990). https://doi.org/10.1007/BF02453026

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  • DOI: https://doi.org/10.1007/BF02453026

PACS 75.10

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