An entangle-rotate variational circuit improves QFI for quantum metrology in noisy systems, with gains persisting as circuit depth increases even at appreciable decoherence rates.
Foss-Feig, K
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Variational quantum state preparation within an entangle-rotate circuit framework for quantum-enhanced metrology in noisy systems
An entangle-rotate variational circuit improves QFI for quantum metrology in noisy systems, with gains persisting as circuit depth increases even at appreciable decoherence rates.