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Publication - Dr Nugzar Suramlishvili

    Visualizing Pure Quantum Turbulence in Superfluid 3He

    Andreev Reflection and its Spectral Properties

    Citation

    Baggaley, AW, Tsepelin, V, Barenghi, CF, Fisher, SN, Pickett, GR, Sergeev, YA & Suramlishvili, N, 2015, ‘Visualizing Pure Quantum Turbulence in Superfluid 3He: Andreev Reflection and its Spectral Properties’. Physical Review Letters, vol 115.

    Abstract

    Superfluid 3He−B
    in the zero-temperature limit offers a unique means of studying quantum
    turbulence by the Andreev reflection of quasiparticle excitations by
    the vortex flow fields. We validate the experimental visualization of
    turbulence in 3He−B
    by showing the relation between the vortex-line density and the Andreev
    reflectance of the vortex tangle in the first simulations of the
    Andreev reflectance by a realistic 3D vortex tangle, and comparing the
    results with the first experimental measurements able to probe quantum
    turbulence on length scales smaller than the intervortex separation.

    Full details in the University publications repository