Single atom in free space as a quantum aperture

被引：36

作者：

van Enk, SJ ^{[1
]}

Kimble, HJ ^{[1
]}

机构：

[1] CALTECH 12 33, Norman Bridge Lab Phys, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW A | 2000年 / 61卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.61.051802

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We calculate exact three-dimensional solutions of Maxwell equations corresponding to strongly focused light beams, and study their interaction with a single atom in free space. We show how the naive picture of the atom as an absorber with a size given by its radiative cross section sigma=3 lambda(2)/2 pi must be modified. The implications of these results for quantum-information-processing capabilities of trapped atoms are discussed.

引用

页数：4

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