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Emerging local Kondo screening and spatial coherence in the heavy-fermion metal YbRh2Si2

Author

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  • S. Ernst

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40)

  • S. Kirchner

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40
    Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Strasse 38)

  • C. Krellner

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40)

  • C. Geibel

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40)

  • G. Zwicknagl

    (Institut für Mathematische Physik, TU Braunschweig, Mendelssohnstrasse 3)

  • F. Steglich

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40)

  • S. Wirth

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40)

Abstract

That Kondo moment Certain metallic alloys that have a combination of localized magnetic moments and mobile conduction electrons can form an exotic state of matter known as a Kondo lattice. At low temperatures, quantum interactions between these localized and extended states give rise to charge carriers that behave as if they are unusually massive — known as heavy fermions. Stefan Ernst and colleagues use scanning tunnelling microscopy to probe these quantum interactions and observe the emergence of heavy fermions in a generic Kondo lattice system.

Suggested Citation

  • S. Ernst & S. Kirchner & C. Krellner & C. Geibel & G. Zwicknagl & F. Steglich & S. Wirth, 2011. "Emerging local Kondo screening and spatial coherence in the heavy-fermion metal YbRh2Si2," Nature, Nature, vol. 474(7351), pages 362-366, June.
    • Handle: RePEc:nat:nature:v:474:y:2011:i:7351:d:10.1038_nature10148
    DOI: 10.1038/nature10148
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    Cited by:

    1. Wen Wan & Rishav Harsh & Antonella Meninno & Paul Dreher & Sandra Sajan & Haojie Guo & Ion Errea & Fernando Juan & Miguel M. Ugeda, 2023. "Evidence for ground state coherence in a two-dimensional Kondo lattice," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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