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Showing 1–5 of 5 results
Advanced filters: Author: Gregory Falkovich Clear advanced filters

  • Experimental demonstrations of materials supporting electron fluids have been elusive so far. Here, the authors investigate nonlocal transport in bilayer graphene across the ballistic-to-hydrodynamic crossover, and identify a sharp maximum of negative resistance at the transition between the two regimes.

    • Denis A. Bandurin
    • Andrey V. Shytov
    • Gregory Falkovich
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • Fetching an object by means of sending a wave—impossible? Not necessarily. As now demonstrated experimentally, generating waves on a water surface using a set of plungers can cause a floating particle to move counter to the general direction of wave propagation. The effect originates from vorticity creation by steep 3D waves.

    • Horst Punzmann
    • Nicolas Francois
    • Michael Shats
    Research
    Nature Physics
    Volume: 10, P: 658-663

  • In analogy to fluids, electric currents can exhibit viscosity — albeit with effects difficult to observe experimentally. Now, vorticity is reported as a signature feature of electron viscosity in graphene, which leads to negative nonlocal resistance.

    • Leonid Levitov
    • Gregory Falkovich
    Research
    Nature Physics
    Volume: 12, P: 672-676