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10 papers · 2 filters
Entanglement Structure Detection via Machine Learning
Changbo Chen, Changliang Ren, Hongqing Lin +1
Detecting the entanglement structure, such as intactness and depth, of an n-qubit state is important for understanding the imperfectness of the state preparation in experiments. Ho…
Quantum-Inspired Hierarchy for Rank-Constrained Optimization
Xiao-Dong Yu, Timo Simnacher, H. Chau Nguyen +1
Many problems in information theory can be reduced to optimizations over matrices, where the rank of the matrices is constrained. We establish a link between rank-constrained optim…
Efficient estimation of multipartite quantum coherence
Qi-Ming Ding, Xiao-Xu Fang, Xiao Yuan +2
Quantification of coherence lies at the heart of quantum information processing and fundamental physics. Exact evaluation of coherence measures generally needs a full reconstructio…
Examining the validity of Schatten--norm-based functionals as coherence measures
Xiao-Dan Cui, C. L. Liu, D. M. Tong
It has been asked by different authors whether the two classes of Schatten--norm-based functionals and w…
Activating Hidden Teleportation Power: Theory and Experiment
Jyun-Yi Li, Xiao-Xu Fang, Ting Zhang +3
Ideal quantum teleportation transfers an unknown quantum state intact from one party Alice to the other Bob via the use of a maximally entangled state and the communication of clas…
Robust-fidelity hyperparallel controlled-phase-flip gate through microcavities
Hai-Rui Wei, Yan-Bei Zheng, Ming Hua +1
Hyperparallel quantum information processing outperforms its traditional parallel one in terms of channel capacity, low loss rate, and processing speed. We present a way for implem…