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Quantum phases of matter on a 256-atom programmable quantum simulator

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Demonstrated a 256-atom programmable quantum simulator using ⁸⁷Rb atoms in optical tweezer arrays, probing quantum phases of matter including ordered and disordered phases on various lattice geometries.

Key Results

  • 256-atom ⁸⁷Rb tweezer array — largest programmable neutral atom system at time of publication
  • Explored quantum phase transitions on square, honeycomb, triangular, and kagome lattices
  • Observed quantum spin liquid signatures on the kagome geometry
  • Demonstrated programmable Hamiltonian engineering via tunable Rydberg interactions

Significance

Established neutral atom tweezer arrays as a leading platform for quantum simulation at scale. The 256-atom system was a major step toward the 1000+ atom arrays demonstrated later, and showed the platform’s flexibility for exploring condensed matter physics.

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