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Frontiers of Physics

, 13:130701 | Cite as

Quantifying quantum correlation via quantum coherence

  • Guang-Yong Zhou
  • Lin-Jian Huang
  • Jun-Ya Pan
  • Li-Yun Hu
  • Jie-Hui HuangEmail author
Research Article
  • 46 Downloads

Abstract

Resource theory is applied to quantify the quantum correlation of a bipartite state and a computable measure is proposed. Since this measure is based on quantum coherence, we present another possible physical meaning for quantum correlation, i.e., the minimum quantum coherence achieved under local unitary transformations. This measure satisfies the basic requirements for quantifying quantum correlation and coincides with concurrence for pure states. Since no optimization is involved in the final definition, this measure is easy to compute irrespective of the Hilbert space dimension of the bipartite state.

Keywords

resource theory quantum correlation quantum coherence 

Notes

Acknowledgements

This work was supported by the national Natural Science Foundation of China under Grant Nos. 11664018 and 11664017.

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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Guang-Yong Zhou
    • 1
  • Lin-Jian Huang
    • 1
  • Jun-Ya Pan
    • 1
  • Li-Yun Hu
    • 1
  • Jie-Hui Huang
    • 1
    Email author
  1. 1.College of Physics and Communication ElectronicsJiangxi Normal UniversityNanchangChina

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