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Showing 1–4 of 4 results
Advanced filters: Author: Johannes Kleinlein Clear advanced filters

  • The quantum spin Hall effect is expected not to survive the presence of magnetic impurities. Here, authors report full quantization at very low temperatures in HgTe quantum wells alloyed with a few percent of magnetic Mn atoms, due to Kondo screening.

    • Saquib Shamim
    • Wouter Beugeling
    • Laurens W. Molenkamp
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-6

  • Little is known about how edge states in topological materials interact with each other. Here, a quantum spin Hall insulator is used to show that when edge states are brought close together, additional gaps appear in the spectrum.

    • Jonas Strunz
    • Jonas Wiedenmann
    • Laurens W. Molenkamp
    Research
    Nature Physics
    Volume: 16, P: 83-88

  • The authors present microwave emission measurements on a resistively shunted Josephson junction based on a HgTe quantum well. They demonstrate that, with significant spurious inductance in the shunt wiring, additional microwave emission peaks appear at half of the Josephson frequency, which can mimic the 4π-periodicity of topological Andreev states.

    • Wei Liu
    • Stanislau U. Piatrusha
    • Laurens W. Molenkamp
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10