The uncertainty relation for quantum channels based on skew information
Quantum Inf. Process.(2022)
摘要
Uncertainty relations are the basis of quantum mechanics. We study the uncertainty relation for quantum channels by skew information. An uncertainty relation for quantum channels is provided, which can be generalized to more than two channels. This uncertainty relation is shown to be independent of the Kraus representations of quantum channels. We then establish an uncertainty relation for skew information of coherence under different bases in qubit systems.
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关键词
Uncertainty relation,Quantum channel,Skew information
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