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Showing 1–9 of 9 results
Advanced filters: Author: J. H. Hankiewicz Clear advanced filters

  • Magnetic resonance imaging can distinguish between different tissue types by measuring the proton distribution in a living sample. Here, the authors demonstrate how this technique can be extended to provide temperature information by using ferromagnetic particles with temperature-dependent magnetization.

    • J. H. Hankiewicz
    • Z. Celinski
    • R. E. Camley
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • Non-local transport measurements on mercury telluride quantum wells show clear signatures of the ballistic spin Hall effect. The ballistic nature of the experiment allows the observed effect to be interpreted as a direct consequence of the band structure of these semiconductor nanostructures, rather that being caused by impurity scattering.

    • C. Brüne
    • A. Roth
    • L. W. Molenkamp
    Research
    Nature Physics
    Volume: 6, P: 448-454

  • Non-Hermitian systems can be described in terms of gain and loss with a coupled environment—a hard feature to tune in quantum devices. Now an experiment shows non-Hermitian topology in a quantum Hall ring without relying on gain and loss.

    • Kyrylo Ochkan
    • Raghav Chaturvedi
    • Ion Cosma Fulga
    ResearchOpen Access
    Nature Physics
    Volume: 20, P: 395-401

  • The electrodynamics of topological insulators has been predicted to show a new magnetoelectric term, but this hasn’t been observed. Here, Dziomet al. observe a universal Faraday rotation angle equal to the fine structure constant, evidencing the so-called topological magnetoelectric effect.

    • V. Dziom
    • A. Shuvaev
    • L. W. Molenkamp
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Majorana bound states are created in a two-dimensional architecture by confining Majorana channels within a planar Josephson junction, using the phase difference across the junction and an in-plane magnetic field.

    • Hechen Ren
    • Falko Pientka
    • Amir Yacoby
    Research
    Nature
    Volume: 569, P: 93-98

  • A material weakly linking two superconductors may itself exhibit superconductivity whilst its material properties strongly influence the nature of the supercurrent. Here, the authors identify a supercurrent with p-wave symmetry in such a Josephson junction made of topologically non-trivial material.

    • J. Wiedenmann
    • E. Bocquillon
    • L. W. Molenkamp
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7