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Showing 1–15 of 15 results
Advanced filters: Author: A. Geresdi Clear advanced filters
  • Understanding the ground state (GS) phase transitions in the quantum tunneling regime of a superconducting system is important for future qubit devices. Here, Shen, Heedt and Borsoi et al. report distinct types of fermion parity GS transitions as a function of magnetic field and gate voltages in a Coulomb-blockaded InSb–Al island.

    • Jie Shen
    • Sebastian Heedt
    • Leo P. Kouwenhoven
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8
  • InSb nanowire crosses, which could be used for braiding Majorana modes, are synthesized using a technique that allows two growing nanowires to merge.

    • Sébastien R. Plissard
    • Ilse van Weperen
    • Erik P. A. M. Bakkers
    Research
    Nature Nanotechnology
    Volume: 8, P: 859-864
  • One minute parity lifetimes are reported in a superconducting transistor made of niobium titanite nitride coupled to aluminium contacts even in the presence of small magnetic fields, enabling the braiding of Majorana bound states.

    • David J. van Woerkom
    • Attila Geresdi
    • Leo P. Kouwenhoven
    Research
    Nature Physics
    Volume: 11, P: 547-550
  • The interplay of induced superconductivity and magnetic fields should drive InAs nanowires into a topological superconducting phase. Laroche et al. use the microwave radiation emitted by an InAs nanowire Josephson junction to observe the 4π-periodic Josephson effect, a hallmark of the topological phase.

    • Dominique Laroche
    • Daniël Bouman
    • Attila Geresdi
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7
  • Disorder has been a prime challenge to study the topological properties in a hybrid system. Here, Zhanget al. report ballistic superconductivity in InSb nanowires interfacing with a NbTiN superconductor, paving the way for disorder-free Majorana devices.

    • Hao Zhang
    • Önder Gül
    • Leo P. Kouwenhoven
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7
  • Nanowire devices exhibiting ballistic transport show characteristics of Majorana modes, ruling out alternative explanations other than topological superconductivity.

    • Önder Gül
    • Hao Zhang
    • Leo P. Kouwenhoven
    Research
    Nature Nanotechnology
    Volume: 13, P: 192-197
  • A quasiparticle in Andreev levels was coupled to a superconducting microwave resonator and its spin was monitored in real time. This has potential applications in the readout of superconducting spin qubits and measurements of Majorana fermions.

    • M. Hays
    • V. Fatemi
    • M. H. Devoret
    Research
    Nature Physics
    Volume: 16, P: 1103-1107
  • Gate-tunable superconducting quantum interference devices can be created in the two-dimensional superconductor formed at oxide interfaces.

    • Srijit Goswami
    • Emre Mulazimoglu
    • Andrea D. Caviglia
    Research
    Nature Nanotechnology
    Volume: 11, P: 861-865
  • A so-called Josephson ϕ0-junction based on a nanowire quantum dot is reported. By means of electrostatic gating, it is possible to controllably introduce a phase offset taking any value between 0 and π in the ground state of the junction.

    • D. B. Szombati
    • S. Nadj-Perge
    • L. P. Kouwenhoven
    Research
    Nature Physics
    Volume: 12, P: 568-572
  • Topological Majorana bound states have potential for encoding, manipulating and protecting quantum information in condensed-matter systems. This Review discusses emergence and characterization of Majorana bound states in realistic devices based on hybrid semiconducting nanowires and their connection to more conventional Andreev bound states.

    • Elsa Prada
    • Pablo San-Jose
    • Leo P. Kouwenhoven
    Reviews
    Nature Reviews Physics
    Volume: 2, P: 575-594
  • LaPt2Si2 exhibits an intriguing interplay of superconductivity and charge density wave order, but the nature of its density wave transitions is controversial. Here, high-resolution X-ray diffraction reveals the temperature dependence of a series of density wave and structural transitions in this material.

    • Elisabetta Nocerino
    • Irene Sanlorenzo
    • Martin Månsson
    ResearchOpen Access
    Communications Materials
    Volume: 4, P: 1-12