信息论可以告诉我们关于量子现实的什么
What information theory can tell us about quantum reality
摘要：
从信息论的角度对爱因斯坦的“物理”实在和量子实在概念的研究，提出了对诸如爱因斯坦-波多尔斯基-罗森（EPR）和薛定谔猫悖论等量子悖论的解决方案。量子实在，即基于幺正演化波函数的图像，是完整的，但从观察者的角度来看，由于测量的量子信息理论产生的根本原因，它似乎是不完整的。在EPR实验的最坏情况下，基于经典可及的可观测量的物理实在，与它声称要反映的量子实在无关。因此，量子信息理论意味着，只有相关性，而不是相关性，是物理上可访问的：量子力学的伊萨卡解释的咒语。
英文摘要：
An investigation of Einstein's ``physical'' reality and the concept of quantum reality in terms of information theory suggests a solution to quantum paradoxes such as the Einstein-Podolsky-Rosen (EPR) and the Schroedinger-cat paradoxes. Quantum reality, the picture based on unitarily evolving wavefunctions, is complete, but appears incomplete from the observer's point of view for fundamental reasons arising from the quantum information theory of measurement. Physical reality, the picture based on classically accessible observables is, in the worst case of EPR experiments, unrelated to the quantum reality it purports to reflect. Thus, quantum information theory implies that only correlations, not the correlata, are physically accessible: the mantra of the Ithaca interpretation of quantum mechanics.
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