Quantum information transmission in the quantum wireless multihop network based on Werner state

doi:10.1088/1674-1056/24/5/050308

Abstract Many previous studies about teleportation are based on pure state. Study of quantum channel as mixed state is more realistic but complicated as pure states degenerate into mixed states by interaction with environment, and the Werner state plays an important role in the study of the mixed state. In this paper, the quantum wireless multihop network is proposed and the information is transmitted hop by hop through teleportation. We deduce a specific expression of the recovered state not only after one-hop teleportation but also across multiple intermediate nodes based on Werner state in a quantum wireless multihop network. We also obtain the fidelity of multihop teleportation.

Keywords: multihop network Werner state teleportation

Received: 07 September 2014
Revised: 21 November 2014
Accepted manuscript online:

PACS:	03.67.Hk	(Quantum communication)
	03.65.Ud	(Entanglement and quantum nonlocality)

Fund: Project Project Project of State Key Laboratory of Millimeter Waves (Grant No. Z201504).

Corresponding Authors: Yu Xu-Tao
E-mail: yuxutao@seu.edu.cn

About author: 03.67.Hk; 03.65.Ud

Cite this article:

Shi Li-Hui (施丽慧), Yu Xu-Tao (余旭涛), Cai Xiao-Fei (蔡晓菲), Gong Yan-Xiao (龚彦晓), Zhang Zai-Chen (张在琛) Quantum information transmission in the quantum wireless multihop network based on Werner state 2015 Chin. Phys. B 24 050308

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