未知六粒子纠缠态的量子隐形传态及原理验证

量子电子学报 ›› 2019, Vol. 36 ›› Issue (4): 456-463.

未知六粒子纠缠态的量子隐形传态及原理验证

陈金莲，李冬芬，周覃，杨燕涵

成都理工大学核技术与自动化工程学院，地质灾害防治与地质环境保护国家重点实验室，四川成都 610059

收稿日期:2019-02-28 修回日期:2019-05-23 出版日期:2019-07-28 发布日期:2019-07-11
作者简介:陈金莲（1994-），女，重庆人，硕士，主要从事量子通信方面的研究。E-mail：chenjinlian94@163.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 61802033)，Postdoctoral Research Foundation of China (中国博士后基金，2018M643453)，Science and Technology Projects in Sichuan Province (四川省科技，2019YJ0543), Opening Project of Guangdong Provincial Key Laboratory of Information Security Technology (广东省信息安全技术重点实验室开放基金，2017B030314131)

Quantum teleportation for an unknown six-qubit entangled state and principle verification

CHEN Jinlian, LI Dongfen, ZHOU Qin, YANG Yanhan

State Key Laboratory of Geohazard Prevention and Geoenvironment Protection，College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China

Received:2019-02-28 Revised:2019-05-23 Published:2019-07-28 Online:2019-07-11

摘要/Abstract

摘要： 近日，Zhao等人（Canadian Journal of Physics, 2018, 96(6): 650）提出利用一个八粒子团簇态作为量子信道实现了一个未知六粒子纠缠态的隐形传态的方案。他们的方案中发送方需要执行一个八粒子冯诺依曼投影测量。这里对他们的方案做出改进，改进方案利用一个四粒子团簇态作为量子信道传送该未知六粒子纠缠态，在方案中发送方只需执行简单的门操作和单粒子测量，然后接收方需要执行适合的幺正操作并引入四个辅助粒子，就能完成隐形传输的任务。并且，该方案的原理验证实验在IBM公司的量子云计算平台上得以实现。与之前的方案相比，改进方案具有低资源消耗、高传送效率和易于实验实现的优点。

关键词: 量子光学, 量子云计算平台, 量子隐形传态, 单粒子测量, 四粒子团簇态

Abstract: Recently, Zhao et al. (Canadian Journal of Physics, 2018, 96(6): 650) proposed a quantum teleportation scheme for one six-qubit unknown state using an eight-qubit cluster state as a quantum channel. In their scheme, the sender needs to operate an eight-qubit von-Neumann projective measurement. Here are some improvements to their scheme, which uses a four-qubit cluster state as a quantum channel to transmit the unknown six-qubit entangled state. In the improved scheme, the sender only needs to perform simple gate operations and single-qubit measurements, then the receiver needs to perform appropriate unitary operations and introduce four auxiliary particles. The task of quantum teleportation can be completed. Moreover, the principle verification experiment of the scheme can be achieved on the cloud-based quantum computing platform of IBM Company. Compared with the previous schemes, the improved scheme has the advantages of low resource consumption, high transmission efficiency and easy experiment implementation.

Key words: quantum optics, cloud-based quantum computing platform, quantum teleportation, single-qubit measurement, four-qubit cluster state

中图分类号:

TN911

陈金莲，李冬芬，周覃，杨燕涵. 未知六粒子纠缠态的量子隐形传态及原理验证[J]. 量子电子学报, 2019, 36(4): 456-463.

CHEN Jinlian, LI Dongfen, ZHOU Qin, YANG Yanhan. Quantum teleportation for an unknown six-qubit entangled state and principle verification[J]. Chinese Journal of Quantum Electronics, 2019, 36(4): 456-463.

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