皮开尔文能量尺度的天基量子气体实验室
A space-based quantum gas laboratory at picokelvin energy scales
摘要：
超冷量子气体是用于地球观测、相对论大地测量和基本物理定律测试以及研究多体物理学扩展自由降落新现象的高精度空间传感的理想来源。通过与国际空间站上的冷原子实验室进行实验，我们已经实现了对单个玻色-爱因斯坦凝聚体量子态的精确控制，为未来的高精度测量铺平了道路。特别是，我们已经应用快速传输协议穿梭原子云超过毫米的距离与亚微米的精度，随后大大减少了总的膨胀能量低于100 pK的物质波透镜技术。
英文摘要：
Ultracold quantum gases are ideal sources for high-precision space-borne sensing as proposed for Earth observation, relativistic geodesy and tests of fundamental physical laws as well as for studying new phenomena in many-body physics extended free fall. By performing experiments with the Cold Atom Lab aboard the International Space Station, we have achieved exquisite control over the quantum state of single Bose-Einstein condensates paving the way for future high-precision measurements. In particular, we have applied fast transport protocols to shuttle the atomic cloud over a millimeter distance with sub-micrometer accuracy and subsequently drastically reduced the total expansion energy to below 100 pK with matterwave lensing techniques.
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