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arXiv 2002.06990quant-ph
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量子鸽子的脚印

Footprints of quantum pigeons

Gregory Reznik, Shrobona Bagchi, Justin Dressel, Lev Vaidman

摘要:

我们表明,在量子理论的数学框架中,经典的鸽子洞原理可以比以前提出的更直接地被违反,即,在一个更接近传统的原则声明的设置。我们描述了如何反事实推理的悖论可能是操作接地在环境中留下的鸽子的小脚印的分析。在确定量子鸽子效应的最新实验的缺点,我们认为,一个明确的实验违反鸽子原理仍然是必要的,并提出了这样一个实现使用现代量子计算硬件:超导电路与transmon量子比特。

英文摘要:

We show that in the mathematical framework of the quantum theory the classical pigeonhole principle can be violated more directly than previously suggested, i.e., in a setting closer to the traditional statement of the principle. We describe how the counterfactual reasoning of the paradox may be operationally grounded in the analysis of the tiny footprints left in the environment by the pigeons. After identifying the drawbacks of recent experiments of the quantum pigeonhole effect, we argue that a definitive experimental violation of the pigeonhole principle is still needed and propose such an implementation using modern quantum computing hardware: a superconducting circuit with transmon qubits.

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