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Showing 1–5 of 5 results
Advanced filters: Author: J. Beugnon Clear advanced filters

  • A collection of synchronized, independent sources emitting indistinguishable photons represents a highly useful resource for quantum data processing. Demonstration of quantum interference between two single photons emitted by two independently trapped single atoms is an important step towards this goal.

    • J. Beugnon
    • M. P. A. Jones
    • P. Grangier
    Research
    Nature
    Volume: 440, P: 779-782

  • Studies of Bloch oscillations in many-body systems remain limited due to their interaction-induced damping. Now, such oscillations have been observed in a solitonic wave packet of atoms in a Bose gas at the mesoscopic scale.

    • F. Rabec
    • G. Chauveau
    • J. Beugnon
    Research
    Nature Physics
    Volume: 21, P: 1541-1547

  • Here the authors use Ramsey interferometry to study Tan’s contact in uniform two-dimensional Bose gas of 87Rb atoms across the Berezinskii–Kosterlitz–Thouless superfluid transition. They find that the two-body contact is continuous across the critical point.

    • Y.-Q. Zou
    • B. Bakkali-Hassani
    • J. Beugnon
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-6

  • Two-dimensional Bose fluids—such as liquid-helium films, or confined ultracold atoms—cannot form a condensate, but become superfluid instead. Frictionless flow, proving superfluid behaviour, has now been observed in an ultracold two-dimensional Bose gas that is stirred with a laser beam.

    • Rémi Desbuquois
    • Lauriane Chomaz
    • Jean Dalibard
    Research
    Nature Physics
    Volume: 8, P: 645-648