基于状态判别的干涉粒子路径相位信息互补性
Path-Phase Information Complementarity for Interfering Particles through State-Discrimination
摘要：
我们分析了通过同时测量获得的量子比特状态的互补性质的信息量之间的权衡。我们考虑一个“状态歧视”的情况下，重复相同的测量，但输入状态必须在每次运行猜测。我们发现一个一般的互补关系的路径相猜测在这种情况下，任何广义测量。这种输入输出互信息（MI）的对应物揭示了一个迄今为止未知的互补性方面。
英文摘要：
We analyze the trade-off between the amounts of information obtainable on complementary properties of a qubit state by simultaneous measurements. We consider a "state discrimination" scenario wherein the same measurements are repeated, but the input states must be guessed in every run. We find a general complementarity relation for path-phase guesses by any generalized measurements in this scenario. The counterpart of this input-output mutual information (MI) reveals a hitherto unknown aspect of complementarity.
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