Improving the capacity of quantum dense coding by weak measurement and reversal measurement

Mao Bin Tian; Guo Feng Zhang

doi:10.1007/s11128-017-1786-5

Improving the capacity of quantum dense coding by weak measurement and reversal measurement

Mao Bin Tian
, Guo Feng Zhang^*

^*此作品的通讯作者

物理学院

Beihang University

科研成果: 期刊稿件 › 文章 › 同行评审

17 引用（Scopus）

摘要

A protocol of quantum dense coding protection of two qubits is proposed in amplitude damping (AD) channel using weak measurement and reversal measurement. It is found that the capacity of quantum dense coding under the weak measurement and reversal measurement is always greater than that without weak measurement and reversal measurement. When the protocol is applied, for the AD channels with different damping coefficients, the result reflects that quantum entanglement can be protected and quantum dense coding becomes successful.

源语言	英语
文章编号	19
期刊	Quantum Information Processing
卷	17
期	2
DOI	https://doi.org/10.1007/s11128-017-1786-5
出版状态	已出版 - 1 2月 2018

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abstract = "A protocol of quantum dense coding protection of two qubits is proposed in amplitude damping (AD) channel using weak measurement and reversal measurement. It is found that the capacity of quantum dense coding under the weak measurement and reversal measurement is always greater than that without weak measurement and reversal measurement. When the protocol is applied, for the AD channels with different damping coefficients, the result reflects that quantum entanglement can be protected and quantum dense coding becomes successful.",

keywords = "Quantum dense coding, Reversal measurement, Weak measurement",

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AB - A protocol of quantum dense coding protection of two qubits is proposed in amplitude damping (AD) channel using weak measurement and reversal measurement. It is found that the capacity of quantum dense coding under the weak measurement and reversal measurement is always greater than that without weak measurement and reversal measurement. When the protocol is applied, for the AD channels with different damping coefficients, the result reflects that quantum entanglement can be protected and quantum dense coding becomes successful.

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KW - Reversal measurement

KW - Weak measurement

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Improving the capacity of quantum dense coding by weak measurement and reversal measurement

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