量子干涉测量的经典模型宏观实在论检验

IF 3 Q2 QUANTUM SCIENCE & TECHNOLOGY
B. L. La Cour
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引用次数: 0

摘要

宏观现实主义是许多(但不是全部)经典系统的特征。例如,众所周知,经典光可以违反莱格特-加格不等式,因此,拒绝宏观现实主义的解释。最近的一项实验使用纠缠光和负测量来演示无漏洞的宏观真实感测试[Joarder等人,PRX量子3,010307(2022)]。本文表明,这样的实验,虽然完全拒绝宏观现实主义,但可能对经典解释开放。这是通过提供一个显式的经典模型,预示着光子探测的光学干涉仪与光束阻挡。数值分析表明,该模型与实验结果吻合良好,与局部现实主义和拒绝宏观现实主义相一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Classical model of quantum interferometry tests of macrorealism
Macrorealism is a characteristic feature of many, but not all, classical systems. It is known, for example, that classical light can violate a Leggett–Garg inequality and, hence, reject a macrorealist interpretation. A recent experiment has used entangled light and negative measurements to demonstrate a loophole-free test of macrorealism [Joarder et al., PRX Quantum 3, 010307 (2022)]. This paper shows that such an experiment, while soundly rejecting macrorealism, may nevertheless be open to a classical interpretation. This is done by offering an explicit classical model of heralded photon detection in an optical interferometer with beam blockers. A numerical analysis of the model shows good agreement with experimental observations and consistency with both local realism and a rejection of macrorealism.
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CiteScore
9.90
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