Exploring the van der Waals atom-surface attraction in the nanometric range

被引：77

作者：

Fichet, M.

Dutier, G.

Yarovitsky, A.

Todorov, P.

Hamdi, I.

Maurin, I.

Saltiel, S.

Sarkisyan, D.

Gorza, M.-P.

Bloch, D.

Ducloy, M.

机构：

[1] CNRS, UMR 7538, Lab Phys Lasers, F-93430 Villetaneuse, France

[2] Univ Paris 13, F-93430 Villetaneuse, France

[3] Natl Acad Sci, Inst Phys Res, Ashtarak 2, Armenia

来源：

EPL | 2007年 / 77卷 / 05期

关键词：

D O I：

10.1209/0295-5075/77/54001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The van der Waals atom-surface attraction, scaling as C(3)z(-3) for z the atom-surface distance, is expected to be valid in the distance range 1-1000 nm, covering 8-10 orders of magnitudes in the interaction energy. A Cs vapour nanocell allows us to analyze the spectroscopic modi. cations induced by the atom-surface attraction on the 6P(3/2) -> 6D(5/2) transition. The measured C(3) value is found to be independent of the thickness in the explored range 40-130 nm, and is in agreement with an elementary theoretical prediction. We also discuss the specific interest of exploring short distances and large interaction energy.

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页数：6

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