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量子纠缠是近年来基础物理中的热点话题之一。“Bell-Kochen-Specker”理论表明“背景无关”的隐变量理论与量子力学不相容,从而揭示了量子系统的整体相关性。本文在两篇文献的基础上,对电子偶素湮灭产生的双光子偏振纠缠态作了分析,说明在这种情况下“背景无关”隐变量理论与量子力学的不相容性。 相似文献
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The Larmor precession of a spinning particle in a magnetic field confined in the region of one dimensional-rectangular barrier is investigated with the spin coherent state of incoming particle, which has advantage to recognize the equation of the spin precession. Our new observation is that the precession time of spin is uniquely determined and is seen to be equal to the dwell time. 相似文献
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