2 papers
quant-ph2026
Quantum Estimation with State Symmetry-Induced Optimal Measurements
Jia-Xuan Liu, Hai-Long Shi, Chunfeng Wu +1
A central challenge in quantum metrology is identifying optimal measurements that saturate the quantum Cramer-Rao bound under realistic constraints, e.g., local measurements. We sh…
quant-ph2025
Optimal Local Measurements in Single-Parameter Quantum Metrology
Jia-Xuan Liu, Jing Yang, Hai-Long Shi +1
Quantum measurement plays a crucial role in quantum metrology. Due to the limitations of experimental capabilities, collectively measuring multiple copies of probing systems can pr…