均匀系综上量子测量中的信息干扰权衡

Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252) Pub Date : 2001-06-24 DOI:10.1109/ISIT.2001.936140

Howard Barnum

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引用次数: 64

摘要

作者考虑了关于量子态的信息与提供信息的测量所引起的干扰之间的权衡。对于每一次测量，他都能找到在初始量子态完全未知的情况下，平均而言干扰最小的方法。

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Information-disturbance tradeoff in quantum measurement on the uniform ensemble

The author considers the tradeoff between information gained about a quantum state and disturbance caused by the measurement providing the information. For every measurement, he finds the way of making it which is least-disturbing, on average, when the initial quantum state is completely unknown.

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来源期刊

Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252)

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