A tunable-coupler unit cell for fluxonium qubits delivers parallel single-qubit gate fidelities near 99.99% and two-qubit CZ fidelities around 99%, validated by generating up to 10-qubit GHZ states in a 22-qubit processor.
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A new fusion of adiabatic preconditioning and the Rodeo Algorithm, built hierarchically from solvable subsystems, enables robust exponential convergence for eigenstate preparation in the spin-1/2 XX model at high precision.
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Scalable Fluxonium Quantum Processors via Tunable-Coupler Architecture
A tunable-coupler unit cell for fluxonium qubits delivers parallel single-qubit gate fidelities near 99.99% and two-qubit CZ fidelities around 99%, validated by generating up to 10-qubit GHZ states in a 22-qubit processor.
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Hierarchical Fusion Method for Scalable Quantum Eigenstate Preparation
A new fusion of adiabatic preconditioning and the Rodeo Algorithm, built hierarchically from solvable subsystems, enables robust exponential convergence for eigenstate preparation in the spin-1/2 XX model at high precision.