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- Peking UniversityCN334 papers
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4 papers · 2 filters
Trade-off relation among genuine three-qubit nonlocalities in four-qubit systems
Li-Jun Zhao, Lin Chen, Yu-Min Guo +3
We study the trade-off relations satisfied by the genuine tripartite nonlocality in multipartite quantum systems. From the reduced three-qubit density matrices of the four-qubit ge…
Detecting Non-Markovianity via Linear Entropy of Choi State
Xiao Zheng, Shao-Qiang Ma, Guo-Feng Zhang
Non-Markovian dynamics detection is one of the most popular subjects in the quantum information science. In this paper, a linear-entropy-based non-Markovianity witness scheme is co…
An Improved Quantum Projection Filter
Qing Gao, Guofeng Zhang, Ian R. Petersen
This work extends the previous quantum projection filtering scheme in [Gao Q., Zhang G., & Petersen I. R. (2019). An exponential quantum projection filter for open quantum systems.…
Additivity of entanglement of formation via entanglement-breaking space
Li-Jun Zhao, Lin Chen
We study the entanglement-breaking (EB) space, such that the entanglement of formation (EOF) of a bipartite quantum state is additive when its range is an EB subspace. We systemati…