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Showing 1–8 of 8 results
Advanced filters: Author: Jean Dalibard Clear advanced filters

    • Jean Dalibard
    Research Highlights
    Nature
    Volume: 457, P: 639

  • 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

  • Spatial entanglement in many-body systems is fully characterized by the entanglement Hamiltonian, but its measurement has remained challenging. Here the authors realize this for a topological quantum Hall system using ultracold gases of dysprosium atoms.

    • Quentin Redon
    • Qi Liu
    • Sylvain Nascimbene
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-14

  • Moderate-size coherent superpositions of spin states allow quantum enhancements in metrology. Here, the authors exploit the large electronic spin of dysprosium atoms to realize mesoscopic spin superpositions, allowing a 14-fold quantum enhancement in magnetic field sensitivity, close to the Heisenberg limit.

    • Thomas Chalopin
    • Chayma Bouazza
    • Sylvain Nascimbene
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • Interacting quantum many-body systems in low dimensions is an active research area in ultra-cold gases. Here, Chomaz et al.study the dimensional crossover of Bose–Einstein condensation and observe the emergence of phase coherence in an ultra-cold quasi-2D Bose gas confined to a flat-bottom trapping potential.

    • Lauriane Chomaz
    • Laura Corman
    • Jean Dalibard
    Research
    Nature Communications
    Volume: 6, P: 1-10

  • The quantum Hall effect is realized in a two-dimensional quantum gas system consisting of one spatial dimension and one synthetic dimension encoded in the atomic spin. Measurements show distinct bulk properties rooted in the topological structure.

    • Thomas Chalopin
    • Tanish Satoor
    • Sylvain Nascimbene
    Research
    Nature Physics
    Volume: 16, P: 1017-1021

  • Experiments with ultracold quantum gases provide a platform for creating many-body systems that can be well controlled and whose parameters can be tuned over a wide range. These properties put these systems in an ideal position for simulating problems that are out of reach for classical computers. This review surveys key advances in this field and discusses the possibilities offered by this approach to quantum simulation.

    • Immanuel Bloch
    • Jean Dalibard
    • Sylvain Nascimbène
    Reviews
    Nature Physics
    Volume: 8, P: 267-276