2 papers
quant-ph2025
The temporal resolution limit in quantum sensing
Cong-Gang Song, Qing-yu Cai
Temporal resolution is a critical figure of merit in quantum sensing. This study combines the distinguishable condition of quantum states with quantum speed limits to establish a l…
quant-ph2025
Excessive precision compromises accuracy even with unlimited resources due to the trade-off in quantum metrology
Cong-Gang Song, Qing-yu Cai
Precision and accuracy, as two crucial criteria for quantum metrology, have previously lacked rigorous definitions and distinctions. In this paper, we provide a unified definition…