在8.4公里的城市大气中单光子干扰:用光子测试曲时空中的量子效应
Hui-Nan Wu1, Yu-Huai Li1, Bo Li1
1<a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Center for Quantum Science and CAS Center for Excellence in Quantum Information and Quantum Physics, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 201315, Shanghai, China and Hefei National Laboratory, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230088, Hefei, China.
这项研究证明了超过8.4公里的单光子干扰,为测试量子力学和广义相对论铺平了道路. 该实验实现了高精度,验证了曲面时空中的量子效应.
科学领域:
- 量子物理学的量子物理学
- 一般相对论一般相对论.
- 量子光学就是一个量子光学.
背景情况:
- 整合量子力学和广义相对论是一个重大挑战.
- 远距离的单光子干扰可以探测这种接口.
研究的目的:
- 开发和验证一个实验设置,用于测试量子力学在曲的时空.
- 为了在长的自由空间通道上演示单光子干扰.
主要方法:
- 使用不平衡的迈克尔森干扰仪进行长距离自由空间实验.
- 采用基于量子点的高亮度单光子源.
- 在8.4公里的基线上进行了干扰实验.
主要成果:
- 在8.4公里的自由空间通道上实现了单光子干扰.
- 获得了16.2mrad的相位测量精度.
- 这种精度符合在地球同步轨道上测试引力红移的要求.
结论:
- 证实了单光子实验的可行性,以测试在曲的时空中的量子效应.
- 这些结果支持Colela-Overhauser-Werner实验的单光子版本.
- 这项研究验证了一种用于探测量子力学和引力的交叉点的新方法.
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