The optimal sensing time for bath-induced coherence lacks a universal scaling with the Liouvillian gap, but cavity coupling can stabilize this transient metrological advantage into a steady-state resource.
Quantum-enhanced measurements: Beating the stan- dard quantum limit.Science, 306(5700):1330–1336
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Compressed sensing exploits sparsity in GHZ states to reduce measurement overhead for fidelity estimation while maintaining accuracy, as shown in simulations and Quantinuum trapped-ion experiments with error detection.
Discrete time crystal phase transition in a periodically modulated Lipkin-Meshkov-Glick model enables quantum-enhanced sensing of field strength via criticality-enhanced quantum Fisher information.
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Coherence Estimation Beyond the Liouvillian Gap in a Finite Nonequilibrium System
The optimal sensing time for bath-induced coherence lacks a universal scaling with the Liouvillian gap, but cavity coupling can stabilize this transient metrological advantage into a steady-state resource.
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Compressed Sensing for Efficient Fidelity Estimation of GHZ States
Compressed sensing exploits sparsity in GHZ states to reduce measurement overhead for fidelity estimation while maintaining accuracy, as shown in simulations and Quantinuum trapped-ion experiments with error detection.
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Quantum sensing with discrete time crystals in the Lipkin-Meshkov-Glick Model
Discrete time crystal phase transition in a periodically modulated Lipkin-Meshkov-Glick model enables quantum-enhanced sensing of field strength via criticality-enhanced quantum Fisher information.