Anisotropic vacuum-induced interference in decay channels

被引：200

作者：

Agarwal, GS

机构：

[1] Phys Res Lab, Ahmadabad 380009, Gujarat, India

[2] Indian Inst Sci, Jawaharlal Nehru Ctr Adv Sci Res, Bangalore 560012, Karnataka, India

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.84.5500

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate how the anisotropy of the vacuum of the electromagnetic field can lead to quantum interferences among the decay channels of close lying states. Our key result is that interferences are given by the scalar formed from the antinormally ordered electric field correlation tensor for the anisotropic vacuum and the dipole matrix elements for the two transitions. We present results for emission between two conducting plates as well as for a two photon process involving fluorescence produced under coherent cw excitation.

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页码：5500 / 5503

页数：4

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