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Quantum discord near Anderson metal–insulator transition with correlated disorder

Author

Listed:
  • Cheng, W.W.
  • Li, J.X.
  • Shan, C.J.
  • Gong, L.Y.
  • Zhao, S.M.

Abstract

Localization transitions in the one-dimensional Anderson model with long range correlated disorder are studied by means of quantum discord. The results show that the quantum discord exhibits a sudden transition around the boundary between the localized state and extended ones, and does not depend on the system size L in the region of extended states. This feature can depict an identical phase diagraph as well as the traditional method. As an another example, we also consider this quantum correlation in the random dimer model. It is then shown that the quantum discord can be a good quantity to detect the localization transition in these one-dimensional systems with correlated disorder.

Suggested Citation

  • Cheng, W.W. & Li, J.X. & Shan, C.J. & Gong, L.Y. & Zhao, S.M., 2014. "Quantum discord near Anderson metal–insulator transition with correlated disorder," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 398(C), pages 1-9.
    • Handle: RePEc:eee:phsmap:v:398:y:2014:i:c:p:1-9
    DOI: 10.1016/j.physa.2013.12.012
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