41 citations · 118 across the 11 of their papers we have counts for
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Universal quantum state purification under energy-preserving constraints
Xing-Chen Guo, Benchi Zhao, Xin Wang
Pure quantum states are a fundamental resource for quantum information processing, but unavoidable noise degrades their purity and limits the performance of quantum tasks. Quantum…
The communication power of indefinite causal order
Xuanqiang Zhao, Benchi Zhao, Cyril Branciard +1
Quantum theory is in principle compatible with scenarios where physical processes occur in an indefinite order, potentially yielding advantages in a broad range of information proc…
Dynamic LOCC Circuits for Automated Entanglement Manipulation
Xia Liu, Jiayi Zhao, Benchi Zhao +1
Due to the limited qubit number of quantum devices, distributed quantum computing is considered a promising pathway to overcome this constraint. In this paradigm, multiple quantum…
Power and limitations of distributed quantum state purification
Benchi Zhao, Yu-Ao Chen, Xuanqiang Zhao +3
Quantum state purification protocols, which mitigate noise by converting multiple copies of noisy quantum states into fewer copies with a lower noise level, have applications in qu…
Retrieving non-linear features from noisy quantum states
Benchi Zhao, Mingrui Jing, Lei Zhang +4
Accurately estimating high-order moments of quantum states is an elementary precondition for many crucial tasks in quantum computing, such as entanglement spectroscopy, entropy est…
Power of quantum measurement in simulating unphysical operations
Xuanqiang Zhao, Lei Zhang, Benchi Zhao +1
The manipulation of quantum states through linear maps beyond quantum operations has many important applications in various areas of quantum information processing. Current methods…
Quantum algorithms for estimating quantum entropies
Youle Wang, Benchi Zhao, Xin Wang
The von Neumann and quantum Rényi entropies characterize fundamental properties of quantum systems and lead to theoretical and practical applications in many fields. Quantum algori…
Information recoverability of noisy quantum states
Xuanqiang Zhao, Benchi Zhao, Zihan Xia +1
Extracting classical information from quantum systems is an essential step of many quantum algorithms. However, this information could be corrupted as the systems are prone to quan…
Optimal quantum dataset for learning a unitary transformation
Zhan Yu, Xuanqiang Zhao, Benchi Zhao +1
Unitary transformations formulate the time evolution of quantum states. How to learn a unitary transformation efficiently is a fundamental problem in quantum machine learning. The…
Near-term Efficient Quantum Algorithms for Entanglement Analysis
Ranyiliu Chen, Benchi Zhao, Xin Wang
Entanglement plays a crucial role in quantum physics and is the key resource in quantum information processing. However, entanglement detection and quantification are believed to b…
Practical distributed quantum information processing with LOCCNet
Xuanqiang Zhao, Benchi Zhao, Zihe Wang +2
Distributed quantum information processing is essential for building quantum networks and enabling more extensive quantum computations. In this regime, several spatially separated…