56 citations · 71 across the 4 of their papers we have counts for
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Optimal Strategies for Multi-parameter Quantum Metrology
Linxuan Li, Zihao Hu, Longyun Chen +2
Estimating multiple unknown parameters simultaneously is essential for practical quantum sensing. However, it faces a fundamental challenge: the optimal strategy for estimating one…
Fully-Optimized Quantum Metrology: Framework, Tools, and Applications
Qiushi Liu, Zihao Hu, Haidong Yuan +1
This tutorial introduces a systematic approach for addressing the key question of quantum metrology: For a generic task of sensing an unknown parameter, what is the ultimate precis…
Optimal Strategies of Quantum Metrology with a Strict Hierarchy
Qiushi Liu, Zihao Hu, Haidong Yuan +1
One of the main quests in quantum metrology is to attain the ultimate precision limit with given resources, where the resources are not only of the number of queries, but more impo…
Tight bounds of quantum speed limit for noisy dynamics via maximum rotation angles
Zihao Hu, Haidong Yuan, Zigui Zhang +2
The laws of quantum physics place a limit on the speed of computation. In particular, the evolution time of a system from an initial state to a final state cannot be arbitrarily sh…