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Showing 1–6 of 6 results
Advanced filters: Author: R. Žitko Clear advanced filters

  • Coupling superconductors to mesoscopic systems leads to unusual effects that could be exploited in new devices including topological quantum computers. Here the authors present a double quantum dot with a Yu–Shiba–Rusinov ground state arising from the interplay of Coulomb interactions and superconductivity.

    • K. Grove-Rasmussen
    • G. Steffensen
    • J. Nygård
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6

  • Single molecules on metal surfaces are paradigmatic systems for the study of many-body phenomena. Here, the authors show that several spectroscopic experiments on iron phthalocyanine on Au(111) surface can be described in a unified way in terms of a strongly interacting topologically non-trivial (non-Landau) Fermi liquid.

    • R. Žitko
    • G. G. Blesio
    • A. A. Aligia
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • The Kondo effect—the screening of a magnetic impurity’s local moment by the electron Fermi sea in a metal—has been observed in a charge-insulating quantum spin liquid material, where the spinon excitations take the role of electrons.

    • M. Gomilšek
    • R. Žitko
    • A. Zorko
    Research
    Nature Physics
    Volume: 15, P: 754-758

  • Magnetic impurities can induce a range of exotic phenomena, including the famous Kondo effect in metallic systems and bound states in superconductors. Here, using scanning tunneling microscopy, the authors investigate magnetic impurities on a superconducting vanadium tip and analyse the scaling between the Yu-Shiba-Rusinov state energy and the Kondo temperature.

    • Haonan Huang
    • Sujoy Karan
    • Christian R. Ast
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-7

  • The physics of Yu-Shiba-Rusinov states which exist in the superconducting gap are a topical area of research and linked to exotic phenomena such as Majorana fermions. Here, the authors use scanning tunnelling microscopy to investigate the influence of impurities on a superconducting surface and the role impurity-substrate hybridisation has on such states.

    • Haonan Huang
    • Robert Drost
    • Christian R. Ast
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-9