A Novel Method to against Quantum Noises in Quantum Teleportation

Shengyao Wu; Wenjie Liu; Zhiguo Qu

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A Novel Method to against Quantum Noises in Quantum Teleportation

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In order to improve the anti-noise performance of quantum teleportation,this paper proposes a novel dynamic quantum anti-noise scheme based on the quantum teleportation which transmits single qubit state using Bell state.Considering that quantum noise only acts on the transmitted qubit,i.e.,the entangled state that Alice and Bob share in advance is affected by the noise,thus affecting the final transmission result.In this paper,a method for dynamically adjusting the shared entangled state according to the noise environment is proposed.By calculating the maximum fidelity of the output state to determine the shared entangled state,which makes the quantum teleportation be affected by the noise as little as possible.This paper calculates the fidelity of teleportation under four kinds of channel noise(amplitude damping,phase damping,bit flip and depolarizing noise).The results show that the scheme has a suppression effect on phase damping,bit flip and depolarizing noise under certain conditions.When the noise intensity is larger,the optimized efficiency is better.

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《量子计算杂志（英文）》 |2020年第1期|33-55|共23页
作者
Shengyao Wu; Wenjie Liu; Zhiguo Qu;
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作者单位

School of Computer&Software;

Nanjing University of Information Science and Technology;

Nanjing;

210044;

China;

Jiangsu Engineering Center of Network Monitoring;

Nanjing University of Information Science and Technology;

Nanjing;

210044;

China;

Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

Nanjing University of Information Science&Technology;

Nanjing;

210044;

China;

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原文格式 PDF
正文语种 chi
中图分类理论物理学;
关键词
Quantum noise; quantum teleportation; entangled channel; fidelity;

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1. Probabilistic multiparty-controlled teleportation of an arbitrary m-qubit state with a pure entangled quantum channel against collective noise [J] . LI Zhao ,LONG LiuRong ,ZHOU Ping . 中国科学 . 2012,第012期
2. A Novel Quantum Noise Image Preparation Method [J] . Xianhua Song1 . 国际计算机前沿大会会议论文集 . 2016,第001期
3. Quantum Identity Authentication Without Lost of Quantum Channel [C] . Guihua Zeng . 第八届中国密码学学术会议 . 2004
4. Synthesis of CdSe quantum dots in liquid paraffin viaone--pot method and their optical behaviors [A] . Jinqian jia . 2014

A Novel Method to against Quantum Noises in Quantum Teleportation

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