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

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Abstract

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.

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Authors and Affiliations

  1. Department of Theoretical Physics and Research Group of the Hungarian Academy of Sciences, Technical University of Budapest, H-1521, Budapest, Hungary

    O. Újsághy, G. Zaránd & A. Zawadowski

  2. Solid State and Optical Research Institute of the Hungarian Academy of Sciences, H-1525, Budapest, Hungary

    K. Vladár & A. Zawadowski

  3. Lyman Physics Laboratory, Harvard University, Cambridge, MA, 02145

    G. Zaránd

Authors
  1. O. Újsághy
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  2. K. Vladár
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  3. G. Zaránd
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  4. A. Zawadowski
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Újsághy, O., Vladár, K., Zaránd, G. et al. The Role of Electron-Hole Symmetry Breaking in the Kondo Problems. Journal of Low Temperature Physics 126, 1221–1231 (2002). https://doi.org/10.1023/A:1013883700814

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