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Showing 1–8 of 8 results
Advanced filters: Author: Tristan Cren Clear advanced filters

  • Multifractality occurs in the local density of states (LDOS) in disordered electronic systems near a metal-insulator transition, and despite an abundance of theoretical studies, experimental analyses are rare. Here, using scanning tunneling microscopy, the authors investigate the correlations of the LDOS and multifractal spectra for Sn/Si monolayers and connect the localization patterns of disordered electronic systems with the Weyl group symmetry of nonlinear sigma-models.

    • Mathieu Lizée
    • Mohammadmehdi Torkzadeh
    • Tristan Cren
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-8

  • It is predicted that Majorana zero modes can appear locally around topological defects in a two-dimensional system. Here, the authors observe pairs of zero modes stabilized in the middle and around the magnetic domains in a disordered superconducting Pb monolayer.

    • Gerbold C. Ménard
    • Andrej Mesaros
    • Tristan Cren
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • One-dimensional topological superconductors are predicted to host zero-energy Majorana fermions at their extremities. Here, the authors observe dispersive edge states in a monolayer of Pb/Si(111) coupled to a ferromagnetic domain.

    • Gerbold C. Ménard
    • Sébastien Guissart
    • Tristan Cren
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Josephson vortices are circulating supercurrents with an inner structure that is challenging to probe experimentally. Scanning tunnelling microscopy now shows that such vortices contain non-superconducting cores.

    • Dimitri Roditchev
    • Christophe Brun
    • Tristan Cren
    Research
    Nature Physics
    Volume: 11, P: 332-337

  • Magnetic atoms embedded in a niobium selenide superconductor are shown to give rise to a long-range coherent bound state extending tens of nanometres.

    • Gerbold C. Ménard
    • Sébastien Guissart
    • Tristan Cren
    Research
    Nature Physics
    Volume: 11, P: 1013-1016

  • Josephson vortices (JVs) play an important role in superconducting quantum devices, but they remain difficult to be observed and manipulated. Here, Dremov et al. report magnetic fingerprint of JVs in magnetic force microscopy experiments, which paves a way to generate and control JVs.

    • Viacheslav V. Dremov
    • Sergey Yu. Grebenchuk
    • Vasily S. Stolyarov
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Quantum condensates may penetrate from one material to another due to the proximity effect. Here, Stolyarov et al. report the spatial evolution of quantum vortices from a superconducting Nb layer to a 50 nanometer thick diffusive metallic Cu-film, which is quite thick away from the interface.

    • Vasily S. Stolyarov
    • Tristan Cren
    • Dimitri Roditchev
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8