Author

Liang Mao

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Preprint Aug 2026

Near-optimal quantum metrology with few-qubit measurements

Quantum metrology, which addresses parameter estimation in quantum systems, has broad applications across science and technology. Conventional metrology protocols for multi-qubit states in the multi-parameter regime typically require highly complex quantum measurements, leading to substantial quantum-resource costs. In...

Liang Mao, Senrui Chen, Hsin-Yuan Huang et al. · 0 citations

Preprint Jun 2026

Exact Hilbert-space ergodicity from continuous monitoring

Quantum evolution is generally expected to drive a quantum many-body system toward equilibrium. This expectation is often justified by the Hilbert-space ergodicity of generic quantum dynamics, namely, the idea that pure-state evolution explores Hilbert space uniformly up to physical constraints. Such a statement can be...

Yue Wu, Yu Tong, Liang Mao et al. · 1 citation