热释光晶体离子阱中纠缠电子间的洲际量子联系
Intercontinental quantum liaisons between entangled electrons in ion traps of thermoluminescent crystals
摘要：
本文报道的实验是在美国路易斯安那州巴吞鲁日和法国Givarlais用空间分离的纠缠热释光剂量测量（NST）晶体在纠缠样品之间的8,182公里处进行的。样品由掺杂的氟化锂锂组成，其在一个位置处通过由Varian CABAC单元产生的韧致辐射同时成对地一起照射。其中一个成对的水晶被邮寄到巴吞鲁日，而它纠缠在一起的对应物则留在了吉瓦莱。巴吞鲁日（主）的晶体然后受到热刺激，在Givarlais的光电倍增管下引起对应物（从）的可测量的光发射响应。高度相关的被动光发射中观察到的非加热的从散热器，而主散热器的温度斜升，然后允许冷却到环境温度。在转向温度处观察到从机散热器光发射的最大相关性，该转向温度是允许主机散热器温度降低的点。因此，Girvalais的实验者能够高精度地确定主加热炉关闭的时间点（转向点），而在实验的加热-冷却阶段期间实验者之间没有任何通信。这些观测结果对量子通信技术具有重要意义。
英文摘要：
The experiments reported in this paper were carried out with space-separated entangled thermoluminescent dosimetry (TLD) crystals in Baton Rouge, Louisiana (USA) and Givarlais (France) at 8,182 km between entangled samples. Samples consisted of doped lithium fluoride TLD's that were simultaneously irradiated in pairs together at one location by Bremsstrahlung radiation generated by a Varian CLINAC unit. One of the paired TLD crystals was then mailed to Baton Rouge and its entangled counterpart remained in Givarlais. The crystal in Baton Rouge (master) was then subjected to thermal stimulation which elicited a measurable light emission response in the counterpart (slave) under a photomultiplier in Givarlais. Highly correlated passive light emissions were observed in the nonheated slave TLD while the master TLD was ramped up in temperature and then allowed to cool to ambient temperature. Maximum correlations in the slave TLD light emissions were observed at the turn around temperature which is the point where the master TLD temperature is allowed to decrease. The experimenter in Girvalais was thus able to determine with high accuracy the point in time at which the master TLD heating oven was turned off (turn around point) without any communication between the experimenters during the heating-cooling phase of the experiment. The implications of these observed results are of great significance for quantum communication technology.
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