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Showing 1–4 of 4 results
Advanced filters: Author: Patrick Kirchmann Clear advanced filters

  • Researchers demonstrate a method based on circularly polarized laser-field-driven high-harmonic generation for probing non-trivial and trivial topological phases in a three-dimensional topological insulator.

    • Christian Heide
    • Yuki Kobayashi
    • Shambhu Ghimire
    Research
    Nature Photonics
    Volume: 16, P: 620-624

  • Magnetotransport measurements show that ZrTe5 exhibits an anomalous Hall effect without magnetic ordering, a signature of Berry curvature introduced by Weyl nodes. This indicates that ZrTe5 may be a Weyl semimetal, even though this was not predicted.

    • Tian Liang
    • Jingjing Lin
    • N. P. Ong
    Research
    Nature Physics
    Volume: 14, P: 451-455

  • The electronic properties of metals are usually well described by Fermi-liquid theory. However, whether it still applies to very thin metal films has been unclear. Now, measurement of the lifetime of hot electrons in lead films just a few monolayers thick suggests that it does, and in turn provides a reliable means for determining the lifetime of excited carriers in bulk metals.

    • Patrick S. Kirchmann
    • Laurenz Rettig
    • Uwe Bovensiepen
    Research
    Nature Physics
    Volume: 6, P: 782-785

  • Signatures of an excitonic insulator have been reported in several two-dimensional materials. Here the authors report electronic properties of monolayer ZrTe2 from ARPES and STM measurements that are consistent with the preformed exciton gas phase, a precursor for the excitonic insulator.

    • Yekai Song
    • Chunjing Jia
    • Shujie Tang
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7