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International Journal of Theoretical Physics

, Volume 55, Issue 3, pp 1695–1705 | Cite as

Concentration Effect of Quantum and Classical Correlations during Quantum Brachistochrone Evolution

  • Bao-Kui Zhao
  • Shou-Xin Zhao
Article

Abstract

We explore the role of quantum brachistochrone evolution to quantum and classical correlations in three-qubit systems, and show that the time-averaged correlations of three-qubit systems exhibit an obvious concentration effect, which means both the standard deviations of time-averaged quantum and classical correlations decrease with the separation angle. Furthermore, we find that the concentration effect on genuine tripartite entanglement is the most significant during the quantum brachistochrone evolution of three-qubit systems.

Keywords

Quantum brachistochrone evolution Quantum Zeno dynamics Formalism Quantum computation 

Notes

Acknowledgments

This work is supported by the National Natural Science Foundation of China under Grant No. 11105061.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.College of PhysicsJilin UniversityChangchunChina

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