The Role of Electron-Hole Symmetry Breaking in the Kondo Problems

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In studying the different Kondo problems it is generally assumed that breaking the electron-hole symmetry does not affect the perturbative infrared divergencies. It is shown here that, in contrast, breaking that symmetry may in some cases lead to observable modifications while in other cases it does not.
11 pages, 5 figures in LateX and eps files

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/18487

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0111104
 http://arxiv.org/abs/cond-mat/0111104

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arXiv