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Understanding the interaction between an atomic spin and the substrate conduction electrons is a fundamental issue in condensed-matter physics. In the Kondo picture, the electrons screen the impurity spin by an effortless spin-flip process and give rise to a correlated many-electron state. For more than two decades, the Kondo picture has been the consensus to explain spectroscopic data for single magnetic atoms at coinage metal surfaces. Now, writing in Nature Physics, Felix Friedrich and colleagues used a scanning tunnelling microscope (STM) and first-principles calculations to question the validity of a longstanding model system for the Kondo effect.

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Keyword: Kondo effect, magnetic excitation

Date published: 2023-11-09

Publisher: Springer Science and Business Media LLC

Journal:

• Nature Physics (ISSN: 17452473) vol. 20 p. 4-5

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Manuscript type: Author's version (Submitted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4655

First published URL: https://doi.org/10.1038/s41567-023-02265-3

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Updated at: 2024-08-19 16:30:29 +0900

Published on MDR: 2024-08-19 16:30:29 +0900