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Propagation of nonclassical correlations through one-dimensional quantum networks

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Abstract

We investigate transfer of nonclassical correlations through one-dimensional quantum networks for several schemes by employing concurrence and local quantum uncertainty as the measures and the extended Werner-like states as the initial resources. The exact dynamics of quantum correlations are derived, and the differences of dynamics between concurrence and local quantum uncertainty are analyzed. Besides, the influences of node number and initial parameters on the generation of quantum correlations between the two end nodes are discussed. Moreover, we explore the effects of duplex encodings and double channels on distribution of quantum correlations.

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Acknowledgments

This project was supported by the National Natural Science Foundation of China (Grant No. 11274274 and No. 11247308) and the Fundamental Research Funds for the Central Universities (Grant No. JUSRP11405).

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Authors and Affiliations

  1. School of Science, Jiangnan University, Wuxi, 214122, China

    Zheng-Da Hu & Yixin Zhang

  2. Zhejiang Institute of Modern Physics and Physics Department, Zhejiang University, Hangzhou, 310027, China

    Zheng-Da Hu

  3. Department of Mathematics and Physics, North China Electric Power University, Beijing, 102206, China

    Ye-Qi Zhang

Authors
  1. Zheng-Da Hu
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  2. Yixin Zhang
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Correspondence to Zheng-Da Hu.

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Hu, ZD., Zhang, Y. & Zhang, YQ. Propagation of nonclassical correlations through one-dimensional quantum networks. Quantum Inf Process 13, 1841–1855 (2014). https://doi.org/10.1007/s11128-014-0776-0

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  • DOI: https://doi.org/10.1007/s11128-014-0776-0

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