Finite-time disentanglement via spontaneous emission

被引：1502

作者：

Yu, T

Eberly, JH

机构：

[1] Univ Rochester, Rochester Theory Ctr Opt Sci & Engn, Rochester, NY 14627 USA

[2] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 14期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.93.140404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that under the influence of pure vacuum noise two entangled qubits become completely disentangled in a finite-time, and in a specific example we find the time to be given by ln(2+root2/2) times the usual spontaneous lifetime.

引用

页码：140404 / 1

页数：4

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