Protection of quantum correlations against decoherence

Protection of quantum correlations against decoherence The protection of different quantum correlations, such as Bell nonlocality, quantum discord, and geometric quantum discord as trace distance against noise, is explored. By weak measurement and quantum measurement reversal, we show that the mentioned quantum correlations can be effectively preserved probabilistically from the decoherence due to amplitude damping. The results will play an important role in the experiments using the quantum correlations as resource. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Protection of quantum correlations against decoherence

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Publisher
Springer US
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-015-1203-x
Publisher site
See Article on Publisher Site

Abstract

The protection of different quantum correlations, such as Bell nonlocality, quantum discord, and geometric quantum discord as trace distance against noise, is explored. By weak measurement and quantum measurement reversal, we show that the mentioned quantum correlations can be effectively preserved probabilistically from the decoherence due to amplitude damping. The results will play an important role in the experiments using the quantum correlations as resource.

Journal

Quantum Information ProcessingSpringer Journals

Published: Dec 11, 2015

References

  • Quantum entanglement
    Horodecki, R; Horodecki, P; Horodecki, M; Horodecki, K
  • Geometric quantum discord through the Schatten 1-norm
    Paula, FM; Oliveira, TR; Sarandy, MS
  • Can quantum-mechanical description of physical reality be considered complete?
    Einstein, A; Podolsky, B; Rosen, N
  • Quantum correlating power of local quantum channels
    Hu, X; Fan, H; Zhou, DL; Liu, WM
  • Reversing the weak quantum measurement for a photonic qubit
    Kim, YS; Cho, YW; Ra, YS; Kim, YH
  • Protecting entanglement from decoherence using weak measurement and quantum measurement reversal
    Kim, YS; Lee, JC; Kwon, O; Kim, YH
  • Negativity of quantumness and its interpretations
    Nakano, T; Piani, M; Adesso, G
  • Recovering quantum correlations from amplitude damping decoherence by weak measurement reversal
    Li, Y-L; Xiao, X

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