论文标题

光子在躺在哪里,再次

Photons are lying about where they have been, again

论文作者

Reznik, Gregory, Versmold, Carlotta, Dziewior, Jan, Huber, Florian, Bagchi, Shrobona, Weinfurter, Harald, Dressel, Justin, Vaidman, Lev

论文摘要

Bhati和Arvind [Phys。 Lett。 A,127955(2022)]最近争辩说,在专门设计的实验中,光子检测事件的时机在不存在的位置表明了光子的存在,该位置是根据弱值方法出现的。所谓的矛盾是通过微妙的干扰效应解决的,从而导致在该位置的相互作用上印迹的信号异常敏感性,类似于嵌套的Mach-Zehnder干涉仪与Dove Prism的嵌套Mach-Zehnder干涉仪。螺柱:垫子。成立。 2,255(2015)]。我们对基于粒子本身上印记的信息在特定位置的特定位置的存在和后选择的粒子的存在进行深入分析。理论结果通过对拟议实验的计算机模拟进行测试。

Bhati and Arvind [Phys. Lett. A, 127955 (2022)] recently argued that in a specially designed experiment the timing of photon detection events demonstrates photon presence at a location at which they are not present according to the weak value approach. The alleged contradiction is resolved by a subtle interference effect resulting in anomalous sensitivity of the signal imprinted on the postselected photons for the interaction at this location, similarly to the case of a nested Mach-Zehnder interferometer with a Dove prism [Quant. Stud.: Mat. Found. 2, 255 (2015)]. We perform an in depth analysis of the characterization of the presence of a pre- and postselected particle at a particular location based on information imprinted on the particle itself. The theoretical results are tested by a computer simulation of the proposed experiment.

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