Degeneracies of energy levels in the Kitaev quantum double model for arbitrary discrete group G and genus are expressed via S-matrix elements, giving the exact partition function for finite systems.
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A thermometry technique using correlations, susceptibility, and high-T expansion applied to a Kagome lattice Rydberg experiment gives T=0.55J and entropy per site 0.67 ln(2), indicating the system is not yet in the quantum spin liquid regime.
A scheme is developed to engineer strong three-body interactions in Rydberg atom lattices, allowing the effective Hamiltonian and emergent quantum phases to be modified compared to two-body-only systems.
A 256-qubit Rydberg simulator quantitatively reproduces the magnetization curves and antiferromagnetic transition of TmMgGaO4 while revealing thermalization after quenches.
EIT cooling with fluorescence imaging achieves 99.7% readout fidelity and 98.2% survival for 87Rb atom arrays in 2.3 G fields, validated up to 10 G.
Rydberg atoms on a triangular lattice host a deconfined quantum critical point between 1/3 and 2/3 filling phases, with predicted critical exponents, emergent U(1) symmetry in a CFT, and numerical confirmation.
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