Sudden Death of Entanglement

被引：921

作者：

Yu, Ting ^{[1
]}

Eberly, J. H. ^{[2
,3
]}

机构：

[1] Stevens Inst Technol, Dept Phys & Engn Phys, Hoboken, NJ 07030 USA

[2] Univ Rochester, Rochester Theory Ctr, Rochester, NY 14627 USA

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

来源：

SCIENCE | 2009年 / 323卷 / 5914期

基金：

美国国家科学基金会;

关键词：

QUANTUM ENTANGLEMENT; DECOHERENCE; DYNAMICS; ENVIRONMENT; INFORMATION; STATES;

D O I：

10.1126/science.1167343

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A new development in the dynamical behavior of elementary quantum systems is the surprising discovery that correlation between two quantum units of information called qubits can be degraded by environmental noise in a way not seen previously in studies of dissipation. This new route for dissipation attacks quantum entanglement, the essential resource for quantum information as well as the central feature in the Einstein- Podolsky- Rosen so- called paradox and in discussions of the fate of Schrodinger's cat. The effect has been labeled ESD, which stands for early- stage disentanglement or, more frequently, entanglement sudden death. We review recent progress in studies focused on this phenomenon.

引用

页码：598 / 601

页数：4

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