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quant-ph2021
The optimal positive operator-valued measure for state discrimination
Wei Li, Shengmei Zhao
Evaluating the amount of information obtained from non-orthogonal quantum states is an important topic in the field of quantum information. The commonly used evaluation method is H…
quant-ph2021
Privacy amplification scheme based on composite coding
Wei Li, Shengmei Zhao
Privacy amplification is an indispensable step in the post-processing of quantum key distribution, which can be used to compress the redundancy of shared key and improve the securi…