Intermediate-Range Casimir-Polder Interaction Probed by High-Order Slow Atom Diffraction,Physical Review Letters

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Intermediate-Range Casimir-Polder Interaction Probed by High-Order Slow Atom Diffraction
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-10-19 , DOI: 10.1103/physrevlett.127.170402
C Garcion ₁ , N Fabre ₁ , H Bricha ₁ , F Perales ₁ , S Scheel ₂ , M Ducloy ₁ , G Dutier ₁

Affiliation

At nanometer separation, the dominant interaction between an atom and a material surface is the fluctuation-induced Casimir–Polder potential. We demonstrate that slow atoms crossing a silicon nitride transmission nanograting are a remarkably sensitive probe for that potential. A 15% difference between nonretarded (van der Waals) and retarded Casimir–Polder potentials is discernible at distances smaller than 51 nm. We discuss the relative influence of various theoretical and experimental parameters on the potential in detail. Our work paves the way to high-precision measurement of the Casimir–Polder potential as a prerequisite for understanding fundamental physics and its relevance to applications in quantum-enhanced sensing.

中文翻译：

高阶慢原子衍射探测中程卡西米尔-波德相互作用

在纳米分离处，原子和材料表面之间的主要相互作用是波动引起的 Casimir-Polder 势。我们证明了穿过氮化硅透射纳米光栅的慢原子是对该电位非常敏感的探针。非延迟（范德华）和延迟 Casimir-Polder 电位之间的 15% 差异在小于 51 nm 的距离处是可辨别的。我们详细讨论了各种理论和实验参数对电位的相对影响。我们的工作为高精度测量 Casimir-Polder 势铺平了道路，这是理解基础物理学及其与量子增强传感应用相关性的先决条件。

更新日期：2021-10-19

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