activity
20162026
most citedMulti-observable Uncertainty Relations in Product Form of Variances

36 citations · 83 across the 20 of their papers we have counts for

collaborators

24 papers

quant-ph2026

Geometric-resource bounds and permutation-averaged success probabilities for the WZP algorithm

Linlin Ye, Linmao Wang, Zhaoqi Wu +1

Solving linear systems of equations is a fundamental task in machine learning and optimization. In this work, we extend the original WZP algorithm from real symmetric linear system…

quant-ph2026

Imaginarity as a resource in Shor's algorithm

Linlin Ye, Chuanfa Wu, Zhaoqi Wu +1

We investigate the sequential version of Shor's order-finding algorithm from the perspective of the imaginarity of quantum channels. By fixing an eigenbranch of the modular multipl…

quant-ph2026

Transport and Channel Normal Forms for Clifford Interactions

Xiong Chunhe, Kim Sunho, Zhang Qing-Hua +2

We study how Clifford interactions with a fixed environment determine quantum transmission, in a setting that extends positive discrete quantum convolution . We characterize when C…

quant-ph2026

Mean-State Entropy Hierarchies and Classical Communication through Quantum Convolutions

Chunhe Xiong, Sunho Kim, Qing-hua Zhang +2

Quantum convolution provides a discrete-variable analogue of classical convolution, with the mean state capturing the stabilizer structure preserved under repeated convolution. We…

quant-ph2026

Coherence dynamics in Simon's quantum algorithm

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Quantum coherence plays a pivotal role in quantum algorithms. We study the coherence dynamics of the evolved states in Simon's quantum algorithm based on Tsallis relative entro…

quant-ph2026★ 7 cited

Coherence dynamics in quantum algorithm for linear systems of equations

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Quantum coherence is a fundamental issue in quantum mechanics and quantum information processing. We explore the coherence dynamics of the evolved states in HHL quantum algorithm f…

quant-ph2026★ 3 cited

Coherence and entanglement dynamics in Shor's algorithm

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Shor's algorithm outperforms its classical counterpart in efficient prime factorization. We explore the coherence and entanglement dynamics of the evolved states within Shor's algo…

quant-ph2026

Tighter entropic uncertainty relations in the presence of quantum memories for complete sets of mutually unbiased bases

Qing-Hua Zhang, Cong Xu, Jing-Feng Wu +1

Entropic uncertainty relations provide an information-theoretic framework for quantifying the fundamental indeterminacy inherent in quantum mechanics. We propose more stringent qua…

quant-ph2025

Quantifying nonclassical correlations relative to local channels

Cong Xu, Tao Li, Ruonan Ren +2

Nonclassical correlations are significant physical resources with extensive applications in quantum information processing. We introduce the modified Wigner-Yanase-Dyson skew infor…

quant-ph2025★ 1 cited

Entanglement certification from moments of positive maps

Qing-Hua Zhang, Xiaoyu Ma, Shao-Ming Fei

Entanglement certification is crucial in physical experiments, particularly when only partial knowledge of the quantum state is available. In this context, we present an entangleme…

quant-ph2025★ 1 cited

Coherence monotones of quantum channels based on two generalized quantum relative entropies

Jiaorui Fan, Zhaoqi Wu, Shao-Ming Fei

By using the Choi-Jamiołkowski isomorphism, we propose two classes of coherence monotones of quantum channels based on the unified -relative entropy and the sandwiched Rényi…

quant-ph2025★ 4 cited

Quantifying coherence of quantum channels based on the generalized --relative Rényi entropy

Jiaorui Fan, Zhaoqi Wu, Shao-Ming Fei

By using the Choi-Jamiołkowski isomorphism, we propose a well-defined coherence measure of quantum channels based on the generalized --relative Rényi entropy. In addition, we…

quant-ph2025

Bell-Mermin-Klyshko Inequalities and One-way Information Deficit of Dirac Fields in Noninertial Frames

Biao-Liang Ye, Yao-Kun Wang, Shao-Ming Fei

We investigate the Bell-Mermin-Klyshko inequalities and the one-way information deficit of Dirac fields in noninertial frames, where the quantum correlations are shared between ine…

quant-ph2025★ 4 cited

Tightening the entropic uncertainty relations with quantum memory in a multipartite scenario

Cong Xu, Qing-Hua Zhang, Tao Li +1

The quantum uncertainty principle stands as a cornerstone and a distinctive feature of quantum mechanics, setting it apart from classical mechanics. We introduce a tripartite quant…

quant-ph2024★ 2 cited

Uncertainty of quantum channels based on symmetrized \r{ho}-absolute variance and modified Wigner-Yanase skew information

Cong Xu, Qing-Hua Zhang, Shao-Ming Fei

We present the uncertainty relations in terms of the symmetrized \r{ho}-absolute variance, which generalizes the uncertainty relations for arbitrary operator (not necessarily Hermi…

quant-ph2024★ 8 cited

Coherence-mixedness trade-offs

Qing-Hua Zhang, Shao-Ming Fei

Quantum coherence constitutes a foundational characteristic of quantum mechanics and is integral to emerging quantum resource theories. However, quantum coherence is severely restr…

quant-ph2024★ 1 cited

Uncertainty relations based on the -absolute variance for quantum channels

Cong Xu, Wen Zhou, Qing-Hua Zhang +1

Uncertainty principle reveals the intrinsic differences between the classical and quantum worlds, which plays a significant role in quantum information theory. By using -absolut…

quant-ph2023★ 2 cited

A note on Wigner-Yanase skew information-based uncertainty of quantum channels

Qing-Hua Zhang, Jing-Feng Wu, Shao-Ming Fei

The variance of quantum channels involving a mixed state gives a hybrid of classical and quantum uncertainties. We seek certain decomposition of variance into classical and quantum…

quant-ph2023

Steered quantum coherence and quantum Fisher information in spin-chain system

Biao-Liang Ye, Yao-Kun Wang, Shao-Ming Fei

In this paper, we investigate steered quantum coherence, i.e., the norm of steered coherence and the relative entropy of steered coherence, and the quantum Fisher information…

quant-ph2023★ 6 cited

Summation and product forms of uncertainty relations based on metric-adjusted skew information

Cong Xu, Qing-Hua Zhang, Shao-Ming Fei

Uncertainty principle is one of the most essential features in quantum mechanics and plays profound roles in quantum information processing. We establish tighter summation form unc…

quant-ph2023

Tighter sum uncertainty relations via weighted Wigner-Yanase-Dyson skew information

Cong Xu, Zhaoqi Wu, Shao-Ming Fei

We establish tighter uncertainty relations for arbitrary finite observables via weighted Wigner-Yanase-Dyson (WWYD) skew information. The results are also applic…

quant-ph2023★ 7 cited

Detection of Network and Genuine Network Quantum Steering

Zhihua Chen, Kai Wu, Shao-Ming Fei

The quantum network correlations play significant roles in long distance quantum communication,quantum cryptography and distributed quantum computing. Generally it is very difficul…

quant-ph2023★ 1 cited

Parameterized steering criteria via correlation matrices

Qing-Hua Zhang, Lemin Lai, Shao-Ming Fei

We study the steerability for arbitrary dimensional bipartite systems based on the correlation matrices given by local special unitary groups. We present families of steering crite…

quant-ph2016★ 36 cited

Multi-observable Uncertainty Relations in Product Form of Variances

Hui-Hui Qin, Shao-Ming Fei, Xianqing Li-Jost

We investigate the product form uncertainty relations of variances for quantum observables. In particular, tight uncertainty relations satisfied by three observables…