Generalized Krylov complexity predicts the minimum time to realize target operations in analog quantum simulators such as Rydberg atom arrays.
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A family of quantum LDPC codes with encoding rates exceeding 1/2 achieves logical error rates of 10^{-13} per round on atom arrays under 0.1% circuit noise using hierarchical decoding.
A multi-atom Rydberg gate with N ancillae enables N-fold photon collection for fast neutral-atom measurement, achieving infidelity below 10^{-3} in 6 μs with N=5 in Cs-Rb simulations.
Classical kernelisation fully reduces many small and sparse unit-disk graphs for MIS and MWIS native to Rydberg arrays, but dense graphs retain finite irreducible kernels, with vertex weights increasing reducibility and extended interaction ranges suppressing it.
A flat-top beam profile created via analytical superposition of Gaussian modes provides spatial selectivity for Rydberg excitation, confirmed by differing Rabi oscillation visibilities between targeted and neighboring atoms in experiment.
A numerically optimized Rydberg blockade CZ gate for neutral atoms improves robustness to Rabi frequency variations by nearly an order of magnitude and works with individual laser addressing at finite temperatures.
citing papers explorer
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Bridging Krylov Complexity and Universal Analog Quantum Simulator
Generalized Krylov complexity predicts the minimum time to realize target operations in analog quantum simulators such as Rydberg atom arrays.
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Towards Ultra-High-Rate Quantum Error Correction with Reconfigurable Atom Arrays
A family of quantum LDPC codes with encoding rates exceeding 1/2 achieves logical error rates of 10^{-13} per round on atom arrays under 0.1% circuit noise using hierarchical decoding.
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Fast measurement of neutral atoms with a multi-atom gate
A multi-atom Rydberg gate with N ancillae enables N-fold photon collection for fast neutral-atom measurement, achieving infidelity below 10^{-3} in 6 μs with N=5 in Cs-Rb simulations.
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Reducibility of native weighted graphs on Rydberg Arrays
Classical kernelisation fully reduces many small and sparse unit-disk graphs for MIS and MWIS native to Rydberg arrays, but dense graphs retain finite irreducible kernels, with vertex weights increasing reducibility and extended interaction ranges suppressing it.
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Addressable Rydberg excitation in arrays of single neutral atoms with a strongly focused flat-top beam
A flat-top beam profile created via analytical superposition of Gaussian modes provides spatial selectivity for Rydberg excitation, confirmed by differing Rabi oscillation visibilities between targeted and neighboring atoms in experiment.
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Numerically optimized amplitude-robust controlled-Z gate for ultracold neutral atoms with individual addressing capability
A numerically optimized Rydberg blockade CZ gate for neutral atoms improves robustness to Rabi frequency variations by nearly an order of magnitude and works with individual laser addressing at finite temperatures.