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Pré-Publication, Document De Travail Année : 2024

Measurement of Casimir-Polder interaction for slow atoms through a material grating

Résumé

We present a method utilizing atomic diffraction patterns and statistical analysis tools to infer the Casimir-Polder interaction between Argon atoms and a silicon nitride nanograting. The quantum model that supports the data is investigated in detail, as are the roles of nanograting geometry, finite size effects, slit width opening angles, and Lennard-Jones potentials. Our findings indicate that the atom-surface potential strength parameter is C3 = 6.87 ± 1.18 meV.nm3. This value is primarily constrained by the knowledge of the nanograting geometry. The high sensitivity of our method paves the way for precise determination of the Casimir-Polder potential and exploration of new short-distance forces.
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Dates et versions

hal-04651562 , version 1 (18-07-2024)

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  • HAL Id : hal-04651562 , version 1

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Julien Lecoffre, Ayoub Hadi, Matthieu Bruneau, Charles Garcion, Nathalie Fabre, et al.. Measurement of Casimir-Polder interaction for slow atoms through a material grating. 2024. ⟨hal-04651562⟩
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