利用弱测量与量子测量反转保护纠缠免受关联振幅阻尼信道影响
量子物理
2022-09-14 v1
摘要
基于弱测量量子技术,我们提出了一种保护纠缠免受关联振幅阻尼退相干影响的方案。与无记忆振幅阻尼信道的结果相反,我们表明记忆效应在严重退相干下抑制纠缠突逝和保护纠缠方面起着重要作用。此外,我们发现即使是在关联振幅阻尼信道下,通过弱测量与量子测量反转的结合,初始纠缠也可被大幅放大。其潜在机制可归因于弱测量的概率性本质。
引用
@article{arxiv.1602.01998,
title = {Protecting entanglement from correlated amplitude damping channel using weak measurement and quantum measurement reversal},
author = {Xing Xiao and Yao Yao and Ying-Mao Xie and Xing-Hua Wang and Yan-Ling Li},
journal= {arXiv preprint arXiv:1602.01998},
year = {2022}
}
备注
11 pages, 5 figures, accepted by Quantum Information Processing