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Local quantum uncertainty in XY Z Heisenberg spin models with Dzyaloshinski–Moriya interaction

  • Nabil HabiballahEmail author
  • Youssef Khedif
  • Mohammed Daoud
Regular Article

Abstract

We employ the local quantum uncertainty as reliable quantifier of discord-like correlations of a two-qubit one-dimensional XY Z Heisenberg chain with Dzyaloshinski–Moriya interaction in thermal equilibrium. We discuss the behavior of quantum correlations in terms of the Dzyaloshinski–Moriya coupling parameter and the temperature of the bath. A special emphasis is devoted to the effects induced by the Dzyaloshinski–Moriya interaction which tend to increase the amount of quantum discord contained in the system.

Graphical abstract

Keywords

Quantum Information 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Nabil Habiballah
    • 1
    • 2
    • 3
    Email author
  • Youssef Khedif
    • 4
  • Mohammed Daoud
    • 3
    • 4
  1. 1.Faculty of Applied Sciences, Ibn Zohr UniversityAit-MelloulMorocco
  2. 2.TPTHE, Department of Physics, Faculty of Sciences, Ibn Zohr UniversityAgadirMorocco
  3. 3.Abdus Salam International Centre for Theoretical PhysicsTriesteItaly
  4. 4.Laboratory of High Energy and Condensed Matter Physics, Department of Physics, Faculty of Sciences Aïn Chock, University Hassan IICasablancaMorocco

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