Diffuse atomic reflection at a rough mirror

被引：38

作者：

Henkel, C ^{[1
]}

Molmer, K ^{[1
]}

Kaiser, R ^{[1
]}

Vansteenkiste, N ^{[1
]}

Westbrook, CI ^{[1
]}

Aspect, A ^{[1
]}

机构：

[1] UNIV AARHUS, INST PHYS & ASTRON, DK-8000 AARHUS C, DENMARK

来源：

PHYSICAL REVIEW A | 1997年 / 55卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.55.1160

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a theoretical analysis of the influence of surface roughness on the atomic reflection from an evanescent wave mirror. In our calculations we assume that light scattered at the rough dielectric surface interferes with the evanescent wave, creating a rough potential that scatters the atoms. We calculate the probability of diffuse reflection and the momentum distribution of the scattered atoms with a statistical model for the rough surface. The atomic reflection is diffuse rather than specular if the surface roughness is comparable to the wavelength of the incident atoms. We discuss the spatial coherence of the reflected matter waves. We indicate how to generalize our treatment to the case of multilevel atoms.

引用

页码：1160 / 1178

页数：19

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