Recovering quantum correlations from amplitude damping decoherence by weak measurement reversal

被引：27
|
作者：
Li, Yan-Ling [1 ]
Xiao, Xing [2 ]
机构：
[1] Jiangxi Univ Sci & Technol, Sch Informat Engn, Ganzhou 341000, Peoples R China
[2] Gannan Normal Univ, Coll Phys & Elect Informat, Ganzhou 341000, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2013年 / 12卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Quantum correlations; Amplitude damping decoherence; Weak measurement reversal; SUDDEN-DEATH; ENTANGLEMENT; STATE;
D O I：
10.1007/s11128-013-0585-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider a weak measurement reversal proposal to recover quantum correlations of two-qubit system under local amplitude damping channels. With weak measurement reversal, we show that quantum correlations do not vanish but preserve a finite value in the limit of the noise strength p -> 1, which can be attributed to the probabilistic nature of this method. The experimental feasibility of this approach is also discussed in pure optical systems.
引用
收藏
页码：3067 / 3077
页数：11
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