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Kondo effect

Electron spin finds a fresh excitation

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The Kondo effect — the screening of an impurity spin by conduction electrons — is a fundamental many-body effect. However, recent experiments combined with simulations have caused a long-standing model system for the single-atom Kondo effect to fail.

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Fig. 1: Kondo versus spinaron picture in single-atom scanning tunnelling microscopy experiments.

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Authors and Affiliations

  1. Institut für Physik, Technische Universität Ilmenau, Ilmenau, Germany

    Jörg Kröger

  2. Surface Quantum Phase Materials Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan

    Takashi Uchihashi

Authors
  1. Jörg Kröger
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  2. Takashi Uchihashi
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Correspondence to Jörg Kröger or Takashi Uchihashi.

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The authors declare no competing interests.

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Kröger, J., Uchihashi, T. Electron spin finds a fresh excitation. Nat. Phys. 20, 4–5 (2024). https://doi.org/10.1038/s41567-023-02265-3

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