Combined and controlled remote implementations of partially unknown quantum operations of multiqubits using Greenberger-Horne-Zeilinger states
Combined and controlled remote implementations of partially unknown quantum operations of multiqubits using Greenberger-Horne-Zeilinger states
复制标题
使用 Greenberger-Horne-Zeilinger 态组合和控制远程实现多量子位的部分未知量子操作
DOI：
10.1103/physreva.75.062323
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发表时间：
2005-10
影响因子：
2.9
通讯作者：
An Min Wang
中科院分区：
文献类型：
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作者：
An Min Wang
我们提出并证明了属于受限集的部分未知量子操作的组合和受控远程实现的协议[A.王明，物理学家。 Rev. A 74, 032317 (2006)] 使用 Greenberger-Horne-Zeilinger (GHZ) 状态。我们分别在一个量子位、两个发送器和一个控制器的情况下详细介绍协议。然后，我们研究使用多方 GHZ 状态的多个发送器、或多个控制器、或多个发送器和控制器的协议变化。此外，我们将这些协议扩展到多量子位的情况。因为我们的协议必须要求发送者一起工作并依次传输信息或接收额外超级控制器的指令，或/和控制器打开量子通道并以不同的方式分发密码，所以它们在远程量子信息处理和通信方面肯定具有强大的安全性。此外，具有多个发送方的组合协议在理论上有助于最大限度地发挥量子操作远程实现的威力，因为在实践中不同的发送方可能拥有不同的操作资源和不同的操作权限，而具有多个控制器的受控协议能够增强安全性并增加工程中远程实现量子操作的应用，因为它在受控过程中具有一些共同的特征。
We propose and prove protocols of combined and controlled remote implementations of partially unknown quantum operations belonging to the restricted sets [A. M. Wang, Phys. Rev. A 74, 032317 (2006)] using Greenberger-Horne-Zeilinger (GHZ) states. We present the protocols in detail in the cases of one qubit, with two senders and with one controller, respectively. Then we study the variations of protocols with many senders, or with many controllers, or with both many senders and controllers using a multipartite GHZ state. Furthermore, we extend these protocols to the cases of multiqubits. Because our protocols have to request that the senders work together and transfer the information in turn or receive the repertoire of extra supercontrollers, or/and the controller(s) open the quantum channel and distribute the passwords in different ways, they definitely have the strong security in remote quantum information processing and communications. Moreover, the combined protocol with many senders is helpful to arrive at the power of remote implementations of quantum operations to the utmost extent in theory, since the different senders may have different operational resources and different operational rights in practice, and the controlled protocol with many controllers is able to enhance security and increase applications of remote implementationsmore » of quantum operations in engineering, since it has some common features in a controlled process.« less
DOI：
10.1017/cbo9780511976667.023
发表时间：
2010-12
期刊：
--
影响因子：
--
作者：
Nikolay Raychev;I. Chuang
通讯作者：
Nikolay Raychev;I. Chuang