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Author

Hu Chen

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2 papers indexed here

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Aug 2026

Symmetry Speeds Up Quantum Measurements.

Estimating the properties of quantum states is a fundamental task in both theoretical and experimental quantum physics. While numerous Pauli-based measurement strategies have been proposed, none explicitly exploit prior knowledge of structural features such as symmetry. Here, we introduce a compact measurement scheme t...

Hu Chen, Bu-Jiao Wu, Qian-Xi Zhang et al. · 0 citations
Open access Sep 2026

Gap-closing experimental estimation of quantum Fisher information

Estimating the quantum Fisher information (QFI) is a central task in quantum science and technology, underpinning the benchmarking of measurement devices and the certification of metrological advantages. Owing to the highly nonlinear dependence of the QFI on the quantum state, achieving efficient estimates that reliabl...

Qian-Xi Zhang, Qi-Ming Ding, Hu Chen et al. · 0 citations

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