6 citations · 12 across the 16 of their papers we have counts for
17 papers
Separability criteria and lower bounds of entanglement via realignment
Yuhang Xie, Yanjun Chu, Shao-Ming Fei
The detection and quantification of quantum entanglement are central problems in quantum information science. Based on the realignment of density matrices and the vectorization of…
Quantum speed limits based on quantifiers of quantum-state texture
Yuhang Xie, Yanjun Chu, Chenyang Cui +1
Quantum speed limits impose intrinsic lower bounds on the shortest time scale for quantum system evolution. As an emerging paradigm in quantum resource theory, quantum-state textur…
Imaginarity witnessing enhancement via spectral norms of witnesses
Yuhang Xie, Yanjun Chu, Yushan Ding +1
Quantum imaginarity is an essential physical resource that underpins key functionalities of modern quantum technologies. We improve imaginarity witnessing via the prior knowledge o…
Quantum-state block texture and its quantification
Yanjun Chu, Yuhang Xie, Chenyang Cui +1
Quantum-state texture (QST) is an emerging quantum resource that has garnered increasing attention amid advances in quantum theory. In this work, we generalize the QST to quantum-s…
Identifying local unitary equivalence based on reduction of quantum states
Yanjun Chu, Chenyang Cui, Yuhang Xie +2
Local unitary equivalence is central to entanglement quantification and classification. Identifying the local unitary equivalence remains a formidable challenge. We address this pr…
Entanglement Detection for Two-Qubit and Three-Qubit Pure States via Unitary Transformations and Ancilla State Measurements
Yu-Hang Liu, Yuan-Hong Tao, Yi-Wen Liu +2
Quantum entanglement is the fundamental hallmark of quantum mechanics and a core resource for realizing long-distance quantum communication and scalable linear quantum computing. A…
Coherence Fraction in Grover Search Algorithm
Si-Qi Zhou, Hai Jin, Jin-Min Liang +3
The question of which resources drive the advantages in quantum algorithms has long been a fundamental challenge. While entanglement and coherence are critical to many quantum algo…
Wave-Particle-Mixedness Relationships Based on lp-norm Coherence
Wei-Ning Li, Ming Fang, Yuan-Hong Tao +2
We investigate the relationships among the wave property, particle property and mixedness of quantum states based on the lp-norm coherence. By conforming that the lp-norm coherence…
Quantum Circuit Implementation of Two Matrix Product Operations and Elementary Column Transformations
Yu-Hang Liu, Yuan-Hong Tao, Jing-Run Lan +1
This paper focuses on quantum algorithms for three key matrix operations: Hadamard (Schur) product, Kronecker (tensor) product, and elementary column transformations each. By desig…
Variational-toolbox-based separability detection of multiqubit states
Jin-Min Liang, Shao-Ming Fei, Qiongyi He
Parametrized quantum circuits (PQCs) are crucial in variational quantum algorithms. While it is commonly believed that the optimal PQC is solely used to reproduce the target state,…
Quantum Algorithms for Matrix Operations Based on Unitary Transformations and Ancillary State Measurements
Yu-Hang Liu, Yuan-Hong Tao, jing-Run Lan +1
MQuantum algorithms of matrix operations are of great significance in many fields in science and technology. In this paper, by leveraging multi-qubit Toffoli gates and basic single…
Detecting high-dimensional entanglement by randomized product projections
Jin-Min Liang, Shuheng Liu, Shao-Ming Fei +1
The characterization of high-dimensional entanglement plays a crucial role in the field of quantum information science. Conventional entanglement criteria measuring coherent superp…
Basis-independent Coherence and its Applications
Zhi-Xiang Jin, Yuan-Hong Tao, Bing Yu +1
In the quantitative theory of quantum coherence, the amount of coherence for given states can be meaningfully discussed only when referring to a preferred basis. One of the objecti…
Quantum partial coherence measures constructed from Fisher information
Dong-Ping Xuan, Zhong-Xi Shen, Wen Zhou +3
Quantum mechanics gives a new breakthrough to the field of parameter estimation. In the realm of quantum metrology, the precision of parameter estimation is limited by the quantum…
Real randomized measurements for analyzing properties of quantum states
Jin-Min Liang, Satoya Imai, Shuheng Liu +3
Randomized measurements are useful for analyzing quantum systems especially when quantum control is not fully perfect. However, their practical realization typically requires multi…
Classifying coherence with a finite set of witnesses
Xue-Na Zhu, Zhi-Xiang Jin, Gui Bao +1
Coherence is a fundamental resource in quantum information processing, which can be certified by a coherence witness. In order to detect all the coherent states, we introduce a use…
SOS decomposition for general Bell inequalities in two qubits systems and its application to quantum randomness
Wen-Na Zhao, Youwang Xiao, Ming Li +2
Bell non-locality is closely related with device independent quantum randomness. In this paper, we present a kind of sum-of-squares (SOS) decomposition for general Bell inequalitie…