103 citations · 256 across the 11 of their papers we have counts for
11 papers
Certifying Quantum Temporal Correlation via Randomized Measurements: Theory and Experiment
Hongfeng Liu, Zhenhuan Liu, Shu Chen +3
We consider the certification of temporal quantum correlations using the pseudo-density matrix (PDM), an extension of the density matrix to the time domain, where negative eigenval…
Robust Estimation of Nonlinear Properties of Quantum Processes
Yuqing Wang, Guoding Liu, Zhenhuan Liu +3
Accurate and robust estimation of quantum process properties is crucial for quantum information processing and quantum many-body physics. Combining classical shadow tomography and…
Predicting Arbitrary State Properties from Single Hamiltonian Quench Dynamics
Zhenhuan Liu, Zihan Hao, Hong-Ye Hu
Analog quantum simulation is an essential routine for quantum computing and plays a crucial role in studying quantum many-body physics. Typically, the quantum evolution of an analo…
Realizing Non-Physical Actions through Hermitian-Preserving Map Exponentiation
Fuchuan Wei, Zhenhuan Liu, Guoding Liu +4
Quantum mechanics features a variety of distinct properties such as coherence and entanglement, which could be explored to showcase potential advantages over classical counterparts…
Universal entanglement and correlation measure in two-dimensional conformal field theories
Chao Yin, Zhenhuan Liu
We calculate the amount of entanglement shared by two intervals in the ground state of a (1+1)-dimensional conformal field theory (CFT), quantified by an entanglement measure $\mat…
A hybrid framework for estimating nonlinear functions of quantum states
You Zhou, Zhenhuan Liu
Estimating nonlinear functions of quantum states, such as the moment $\tr(ρ^m)$, is of fundamental and practical interest in quantum science and technology. Here we show a quantum-…
Fundamental Limitation on the Detectability of Entanglement
Pengyu Liu, Zhenhuan Liu, Shu Chen +1
Entanglement detection is essential in quantum information science and quantum many-body physics. It has been proved that entanglement exists almost surely for a random quantum sta…
Detecting entanglement in quantum many-body systems via permutation moments
Zhenhuan Liu, Yifan Tang, Hao Dai +3
Multipartite entanglement plays an essential role in both quantum information science and many-body physics. Due to the exponentially large dimension and complex geometric structur…
Characterizing correlation within multipartite quantum systems via local randomized measurements
Zhenhuan Liu, Pei Zeng, You Zhou +1
Given a quantum system on many qubits split into a few different parties, how many total correlations are there between these parties? Such a quantity, aimed to measure the deviati…
Single-copies estimation of entanglement negativity
You Zhou, Pei Zeng, Zhenhuan Liu
Entanglement plays a central role in quantum information processing, indicating the non-local correlation of quantum matters. However, few effective ways are known to detect the am…
Quantum gate verification and its application in property testing
Pei Zeng, You Zhou, Zhenhuan Liu
To guarantee the normal functioning of quantum devices in different scenarios, appropriate benchmarking tool kits are quite significant. Inspired by the recent progress on quantum…