哈代思想实验的实现
Realisation of Hardy's Thought Experiment
摘要：
我们提出了一个实验实现哈代的思想实验[物理。{ \bf 68}，2981（1992）]，使用光子。该实验由一对马赫-曾德尔干涉仪组成，它们通过分束器处的光子聚束相互作用。量子力学的预言和基于局部隐变量的理论之间产生了惊人的矛盾。这种矛盾依赖于两个粒子的非最大纠缠位置态。
英文摘要：
We present an experimental realisation of Hardy's thought experiment [Phys. Rev. Lett. {\bf 68}, 2981 (1992)], using photons. The experiment consists of a pair of Mach-Zehnder interferometers that interact through photon bunching at a beam splitter. A striking contradiction is created between the predictions of quantum mechanics and local hidden variable based theories. The contradiction relies on non-maximally entangled position states of two particles.
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