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Showing 1–13 of 13 results
Advanced filters: Author: T. Gefen Clear advanced filters

  • Energy relaxation crucially impacts transport properties of mesoscopic devices. Here the authors show that energy can be distributed between distant parts of the sample, which may provide a resolution to an outstanding puzzle concerning energy conservation in transport through quantum Hall edges.

    • T. Krähenmann
    • S. G. Fischer
    • Yigal Meir
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-6

  • Standard resolution limits reflect the fact that two objects, frequencies etc. cannot be told apart when they get too close. Here, the authors show theoretically that, if one is able to reduce projection noise by suitable control of the probe, these limits can be overcome.

    • T. Gefen
    • A. Rotem
    • A. Retzker
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Here the authors identify TNIP1 as a risk factor for a fatal neurodegenerative disorder and discover specific genetic loci associated with the three main subtypes of this disorder. The findings highlight distinct disease mechanisms, emphasizing the roles of immunity and the notch signaling pathway.

    • Cyril Pottier
    • Fahri Küçükali
    • Rosa Rademakers
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-19

  • Quantum Hall ferromagnets can host magnons, collective spin-wave excitations, which have possible uses in spin-wave based information processing. Detecting these excitations electrically can be challenging. Here, Kumar, Srivastav, Roy, Park and coauthors demonstrate a noise-based approach to detecting magnons.

    • Ravi Kumar
    • Saurabh Kumar Srivastav
    • Anindya Das
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • The knowledge of quantum numbers of the edge modes is essential for understanding fractional Hall states containing counter-propagating downstream and upstream modes. Here the authors identify the edge quantum numbers by probing a crossover from non-equilibrated to equilibrated edge mode regime in thermal conductance.

    • Saurabh Kumar Srivastav
    • Ravi Kumar
    • Anindya Das
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Fast and reliable characterisation of quantum systems is a key part of quantum technologies development. Here, the authors propose and demonstrate a way to embed noise characterisation in classical shadow estimation of nonlocal properties, enabling an efficient way to extract information from noisy quantum systems.

    • Hong-Ye Hu
    • Andi Gu
    • Alireza Seif
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • To design and manipulate qubits, it is necessary to engineer multidimensional non-equilibrium steady states immune to decoherence in an open system. Here the authors devise a symmetry-based framework to create such non-equilibrium steady states showing characteristics of degenerate vacua of a unitary topological system.

    • Raul A. Santos
    • Fernando Iemini
    • Yuval Gefen
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Recently graphene has emerged as a new platform for the study of quantum Hall states. Here, by means of noise measurements, the authors report evidence for the existence of the upstream mode and its ballistic nature in the hole-conjugate fractional quantum Hall state in a bilayer graphene device.

    • Ravi Kumar
    • Saurabh Kumar Srivastav
    • Anindya Das
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • The rotational orientation of a molecule plays a fundamental role in molecule-surface collisions, yet is difficult to study. Here, the authors present a general approach for controlling and resolving molecular rotational orientation and apply it to study H2scattering from flat and stepped copper surfaces.

    • Oded Godsi
    • Gefen Corem
    • Gil Alexandrowicz
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Nanoscale imaging of edge currents in charge-neutral graphene shows that charge accumulation can explain various exotic nonlocal transport measurements, bringing into question some theories about their origins.

    • A. Aharon-Steinberg
    • A. Marguerite
    • E. Zeldov
    Research
    Nature
    Volume: 593, P: 528-534