量子光学学报, 2016, 22 (4): 341, 网络出版: 2016-12-09
利用可控量子门在非对称多体纠缠通道中实现量子态隐形传输网络
Quantum Network Teleportation with Controllable Quantum Gates in the Channel of Asymmetric Multipartite Entangled States
量子隐形传输 量子门 多体量子纠缠态 局域噪声环境 平均保真度 quantum teleportation quantum gates multipartite entangled states local noisy environments average fidelity
摘要
本文通过一系列的双量子位逻辑门构造非对称多体量子纠缠态。以此态作为量子隐形传输通道,利用全局幺正操作和定域性测量,我们可以让未知态在任意一个接收端重现,从而实现量子信息一对多的网络式传输。同时,充分考虑实际量子系统的局域环境噪声对量子传输效率的影响。
Abstract
The asymmetric multipartite entangled states is realized with a series of two-qubit quantum gates in the superconducting quantum systems.The protocol of quantum network teleportation between one sender and many receivers is studied in the channel of the asymmetric entangled states.An arbitrary unknown state can be recovered at any one of the receivers by means of global unitary operations and local measurements.The effect of the noises from the local environment on the successful probability of transferring states is under consideration.
郝翔, 戴玥, 赵碧轩, 朱士群. 利用可控量子门在非对称多体纠缠通道中实现量子态隐形传输网络[J]. 量子光学学报, 2016, 22(4): 341. HAO Xian, DAI Yue, ZHAO Bi-xuan, ZHU Shi-qun. Quantum Network Teleportation with Controllable Quantum Gates in the Channel of Asymmetric Multipartite Entangled States[J]. Acta Sinica Quantum Optica, 2016, 22(4): 341.