Inelastic scattering of xenon atoms by quantized vortices in superfluids

I. A. Pshenichnyuk, N. G. Berloff

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    We study inelastic interactions of particles with quantized vortices in superfluids by using a semiclassical matter wave theory that is analogous to the Landau two-fluid equations, but allows for the vortex dynamics. The research is motivated by recent experiments on xenon-doped helium nanodroplets that show clustering of the impurities along the vortex cores. We numerically simulate the dynamics of trapping and interactions of xenon atoms by quantized vortices in superfluid helium and the obtained results can be extended to scattering of other impurities by quantized vortices. Different energies and impact parameters of incident particles are considered. We show that inelastic scattering is closely linked to the generation of Kelvin waves along a quantized vortex during the interaction even if there is no capture. The capture criterion of an impurity is formulated in terms of the binding energy.

    Original languageEnglish
    Article number184505
    JournalPhysical Review B
    Volume94
    Issue number18
    DOIs
    Publication statusPublished - 2016

    Fingerprint

    Dive into the research topics of 'Inelastic scattering of xenon atoms by quantized vortices in superfluids'. Together they form a unique fingerprint.

    Cite this