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Showing 1–4 of 4 results
Advanced filters: Author: Lukas Homeier Clear advanced filters

  • A doped quantum antiferromagnet is obtained by using a Rydberg tweezer array comprising three levels encoding spins and holes to implement a tunable model that allows the study of previously inaccessible parameter regimes.

    • Mu Qiao
    • Gabriel Emperauger
    • Antoine Browaeys
    Research
    Nature
    Volume: 644, P: 889-895

  • The microscopic pairing mechanism in high-temperature superconductors remains debated. Here, the authors offer a new perspective on this problem by proposing that the strong pairing in Fermi-Hubbard type models relevant to cuprates is driven by a Feshbach resonance, which enhances interactions between doped holes.

    • Lukas Homeier
    • Hannah Lange
    • Fabian Grusdt
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • Studies of unconventional pairing mechanisms in cold atoms require ultralow temperatures. Large-scale numerics show that certain bilayer models allow for deeply bound and highly mobile pairs of charges at more accessible temperatures.

    • Annabelle Bohrdt
    • Lukas Homeier
    • Fabian Grusdt
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 651-656

  • The robust implementation of gauge fields coupled to dynamical matter in large-scale quantum simulators is limited by the ever-present gauge-breaking errors. The authors propose an experimentally suitable scheme combining two-body interactions with weak fields, demonstrating its robustness against gauge breaking errors and its flexibility in the study of various models with Z2 gauge symmetry.

    • Lukas Homeier
    • Annabelle Bohrdt
    • Fabian Grusdt
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-10