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皇冠428428娱乐娱城:A note on Wigner-Yanase skew information-based uncertainty of quantum channels

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题目:A note on Wigner-Yanase skew information-based uncertainty of quantum channels

作者:费少明  研究员(通讯作者)

简介:The variance of quantum channels involving a mixed state gives a hybrid of classical and quantum uncertainties. We seek certain decomposition of variance into classical and quantum parts in terms of the Wigner–Yanase skew information. Generalizing the uncertainty relations for quantum observables to quantum channels, we introduce a new quantity with better quantum mechanical nature to describe the uncertainty relations for quantum channels. We derive several uncertainty relations for quantum channels via variances and the Wigner–Yanase skew information.

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