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Showing 1–10 of 10 results
Advanced filters: Author: Bertrand I. Halperin Clear advanced filters

  • Transport data reveal interlayer composite fermion fractional quantum Hall states in double-layer graphene. The authors also show that these can pair up to form an interlayer composite fermion exciton condensate.

    • Xiaomeng Liu
    • Zeyu Hao
    • Philip Kim
    Research
    Nature Physics
    Volume: 15, P: 893-897

  • Dynamic nuclear polarization is the transfer of electronic angular momentum to nuclear spins and is a potential route for coherently manipulating spin in quantum information. Here, the authors show that spin–orbit coupling can quench dynamic nuclear polarization in a gallium arsenide quantum dot.

    • John M. Nichol
    • Shannon P. Harvey
    • Amir Yacoby
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • Previous measurements of interferometers based on quantum Hall (QH) edge channels have suggested potential electron pairing effects. Here, the authors investigate the coupling between QH edge channels in graphene Aharonov-Bohm (AB) interferometers, proposing a possible single-particle explanation for the apparent interference phase jumps and AB frequency doubling.

    • Thomas Werkmeister
    • James R. Ehrets
    • Philip Kim
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Diract imaging of supercurrent flow at a Josephson junction has been inaccessible in experiment. Here, using nanoscale magnetometry, the authors find large kinetic inductance of thin film superconductors can lead to competing Josephson vortex states hidden below the critical current, and also provide a new route towards the Josephson diode effect.

    • Shaowen Chen
    • Seunghyun Park
    • Amir Yacoby
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Generating highly squeezed states for quantum sensing requires precise entanglement properties, which makes it a hard task. Now a conjecture identifies a realistic regime of magnetic order at finite temperatures that enables scalable spin squeezing.

    • Maxwell Block
    • Bingtian Ye
    • Norman Y. Yao
    Research
    Nature Physics
    Volume: 20, P: 1575-1581

  • An electronic double layer, subjected to a high magnetic field, can form an exciton condensate: a Bose–Einstein condensate of Coulomb-bound electron–hole pairs. Now, exciton condensation is reported for a graphene/boron-nitride/graphene structure.

    • Xiaomeng Liu
    • Kenji Watanabe
    • Philip Kim
    Research
    Nature Physics
    Volume: 13, P: 746-750

  • 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

  • Although magnons in the quantum Hall regime of graphene have been detected, their thermodynamic properties have not yet been measured. Now, a local probe technique enables the detection of the magnon density and chemical potential.

    • Andrew T. Pierce
    • Yonglong Xie
    • Amir Yacoby
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 37-41