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quant-ph2021★ 7 cited
Tighter monogamy and polygamy relations of quantum entanglement in multi-qubit systems
Wen-Wen Liu, Zi-Feng Yang, Shao-Ming Fei
We investigate the monogamy relations related to the concurrence, the entanglement of formation, convex-roof extended negativity, Tsallis-q entanglement and R'enyi-α entanglement,…
quant-ph2017★ 5 cited
Approximate quantum state reconstruction without a quantum channel
Zichen Yang, Ze-Yang Fan, Liang-Zhu Mu +1
We investigate the optimal quantum state reconstruction from cloud to many spatially separated users by measure-broadcast-prepare scheme without the availability of quantum channel…