把一个分子放在物体表面上，它周围的"噪音"通常会把脆弱的量子特性毁掉。德国马克斯·普朗克光科学研究所的团队想出了一个巧办法：利用一种会慢慢升华的晶体"自清洁"，再把分子轻轻放上干净的表面。结果，这些分子首次达到了光相干的理论极限——"傅里叶极限"。这项发表于《科学》杂志的成果，或将为下一代量子技术铺路。 TODAY'S ARTICLE Scientists at the Max Planck In ...

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