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Showing 1–10 of 10 results
Advanced filters: Author: E. D. L. Rienks Clear advanced filters

  • The magnetoresistance suggests an exotic topological phase in LaBi, but the evidence is still missing. Here, Nayaket al. report the existence of surface states of LaBi through the observation of three Dirac cones, confirming it a topological semimetal.

    • Jayita Nayak
    • Shu-Chun Wu
    • Claudia Felser
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-5

  • In theory, the anomalous quantum Hall effect is observed in edge channels of topological insulators when there is a magnetic energy gap at the Dirac point; this gap has now been observed by low-temperature photoelectron spectroscopy in Mn-doped Bi2Te3.

    • E. D. L. Rienks
    • S. Wimmer
    • G. Springholz
    Research
    Nature
    Volume: 576, P: 423-428

  • Samarium hexahoride is argued to be a topological Kondo insulator, but this claim remains under debate. Here, Hlawenka et al. provide a topologically trivial explanation for the conducting states at the (100) surface of samarium hexaboride; an explanation based on Rashba splitting and a surface shift of the Kondo resonance.

    • P. Hlawenka
    • K. Siemensmeyer
    • E. D. L. Rienks
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • A Weyl semimetal formally requires either broken time reversal symmetry or inversion symmetry. One class of Weyl semimetals-the crystal family of NdAlSi-exhibits both. Here, Li et al perform angle-resolved photoemission spectroscopy measurements on NdAlSi, and observe the formation of an additional Weyl fermion as the material becomes ferrimagnetic.

    • Cong Li
    • Jianfeng Zhang
    • Oscar Tjernberg
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • The fate of high-energy degrees of freedom, such as spin-orbit interactions, in the coherent state of Kondo lattice materials remains unclear. Here, the authors use resonant inelastic x-ray scattering in CePd3 to show how Kondo-quasiparticle excitations are renormalized and develop a pronounced momentum dependence, while maintaining a largely unchanged spin-orbit gap.

    • M. C. Rahn
    • K. Kummer
    • M. Janoschek
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Here the authors use RT-qPCR and mass spectrometry to analyze longitudinal blood samples from intensive care unit (ICU) COVID-19 patients and controls. They find that viral RNA and pentraxin-3 predict 28-day ICU mortality and that galectin-3-binding protein is an interaction partner of SARS-CoV-2 spike glycoprotein with antiviral properties.

    • Clemens Gutmann
    • Kaloyan Takov
    • Manuel Mayr
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-17

  • In all experimentally observed Weyl semimetals so far, the Weyl points always appear in pairs in the momentum space. Here, the authors report one unpaired Weyl point without surface Fermi arc emerging at the center of the Brillouin zone, which is surrounded by charged Weyl nodal walls in PtGa.

    • J.-Z. Ma
    • Q.-S. Wu
    • M. Shi
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8