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Super fidelity and related metrics

  • Research Article
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Central European Journal of Physics

Abstract

We report a new metric of quantum states. This metric is built up from super-fidelity, which has a deep connection with the Uhlmann-Jozsa fidelity and plays an important role in quantum information processing. We find that the new metric possesses some interesting properties.

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Author information

Authors and Affiliations

  1. Department of Science, Zhijiang college, Zhejiang University of Technology, Hangzhou, 310024, P.R. China

    Zhi-Hua Chen

  2. Department of Mathematics, Shanghai Jiaotong University, Shanghai, 200240, P.R. China

    Zhihao Ma

  3. Department of Physics, Tianjin University, Tianjin, 300072, P.R. China

    Fu-Lin Zhang

  4. Theoretical Physics Division, Chern Institute of Mathematics, Nankai University, Tianjin, 300071, P.R. China

    Jing-Ling Chen

Authors
  1. Zhi-Hua Chen
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  2. Zhihao Ma
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  3. Fu-Lin Zhang
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  4. Jing-Ling Chen
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Corresponding author

Correspondence to Zhihao Ma.

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Cite this article

Chen, ZH., Ma, Z., Zhang, FL. et al. Super fidelity and related metrics. centr.eur.j.phys. 9, 1036–1042 (2011). https://doi.org/10.2478/s11534-010-0123-8

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  • DOI: https://doi.org/10.2478/s11534-010-0123-8

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