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Quantum Information Processing

Evolution reconstruction of deviate Bell states by extending the novel Fourier-based method

  • 01-08-2020
Published in:
Authors
Hua Zhou
Guangxia Li
Wenming Zhu
Yang Su
Tao Pu
Zhiyong Xu
Jingyuan Wang
Yimin Wang
Jianhua Li
Huiping Shen
Published in
Quantum Information Processing | Issue 8/2020

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Abstract

The time-variant quantum communication channel affected by uncontrollable environmental factors induces an unrepeatable evolution of Bell states, which calls for a universal method of evolution reconstruction. The novel Fourier-based method proposed recently is extended and demonstrated for the deviated Bell states. The density operators are represented in terms of expectation value functions of projectors. The optimal quorums and measurement schemes are presented. The ways of extending the Fourier-based recovery series are also given. The simulated results show that our method is effective and the novel Fourier-based method can keep a good performance for the evolution reconstruction of Bell states.

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previous article Quantum mutual information and quantumness vectors for multiqubit systems
next article Preparation of entangled W states with cat-state qubits in circuit QED
Title
Evolution reconstruction of deviate Bell states by extending the novel Fourier-based method
Authors
Hua Zhou
Guangxia Li
Wenming Zhu
Yang Su
Tao Pu
Zhiyong Xu
Jingyuan Wang
Yimin Wang
Jianhua Li
Huiping Shen
Publication date
01-08-2020
Publisher
Springer US
Published in
Quantum Information Processing / Issue 8/2020
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-020-02719-0
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