| 引用本文: | 吴娜娜,姜敏.在噪声情况下远程制备四比特团簇态[J].控制理论与应用,2017,34(11):1484~1493.[点击复制] |
| WU Na-na,JIANG Min.Remote preparation of four-qubit cluster states in noisy environment[J].Control Theory and Technology,2017,34(11):1484~1493.[点击复制] |
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| 在噪声情况下远程制备四比特团簇态 |
| Remote preparation of four-qubit cluster states in noisy environment |
| 摘要点击 1621 全文点击 908 投稿时间：2017-08-18 修订日期：2017-10-30 |
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| DOI编号 10.7641/CTA.2017.70587 |
| 2017,34(11):1484-1493 |
| 中文关键词 量子态制备 团簇态 量子噪声 保真度 |
| 英文关键词 state preparation cluster state quantum noise fidelity |
| 基金项目 国家自然科学基金项目(61473199), 江苏省自然科学基金项目(BK20140305), “苏州大学江苏省计算机信息处理技术重点实验室”开放课题 (KJS1128), 桂林电子科技大学“认知无线电与信息处理”省部共建教育部重点实验室开放基金(2013KF05) |
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| 中文摘要 |
| 本文采用团簇态作为量子信道, 讨论了4种噪声对远程制备四比特团簇态的影响. 首先分析在理想情况下,
制备者Alice利用团簇态作为量子信道, 通过构造巧妙的测量基, 帮助接收者Bob获取所需制备的目标四比特团簇
态; 然后讨论在4种噪声影响下远程制备四比特团簇态, 且利用保真度来描述输出态与输入态之间的接近程度. 发
现不同类型的噪声对远程量子态制备的影响程度不同. 尤其相位噪声, 在远程量子制备四比特团簇态的过程中, 系
统的保真度不受待制备量子态的相位因素的影响, 然而其他3种噪声都受待制备量子态的相位因素的影响. |
| 英文摘要 |
| With a cluster state as the quantum channel, we present a scheme for remote preparation of four-qubit cluster
states in noisy environment. In this scheme, we firstly consider the protocol for remotely preparing any four-qubit cluster
state under ideal circumstances. In the following, we put forward the scheme for remote preparation of four-qubit cluster
states under the influence of four kinds of noisy channels, i.e. the bit-flip noise、the phase-damping noise、the amplitudedamping
noise and the depolarizing noise. Finally, we use the fidelity to describe the distance between the output state
and the desired prepared state. Without loss of generality, different types of noise have various effects on the process of
the quantum remote state preparation. For the phase damping noise, the fidelity of the whole system is not affected by the
phase factor for the remote state preparation, but the other three kinds of quantum noise are influenced by the phase factors. |
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