Volume 536, Issue 8 2400086
Research Article

Dynamics of Quantum Correlation in a Two-qutrit Heisenberg XXZ Model with Heitler-London and Dzyaloshinskii-Moriya Couplings

Brahim Adnane

Brahim Adnane

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

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Younes Moqine

Younes Moqine

Research Laboratory of Physics and Engineers Sciences, Team of Applied Physics and New Technologies, Polydisciplinary Faculty, Sultan Moulay Slimane University, PO Box 592, Béni Mellal, Morocco

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Aziz Khribach

Aziz Khribach

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

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Abdelghani El Houri

Abdelghani El Houri

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

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Rachid Houça

Corresponding Author

Rachid Houça

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

LPTHE. Laboratory, Theoretical Physics and High Energy, Faculty of Sciences, Ibn Zohr University, PO Box 8106, Agadir, Morocco

E-mail: [email protected]

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El Bouâzzaoui Choubabi

El Bouâzzaoui Choubabi

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

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Abdelhadi Belouad

Abdelhadi Belouad

LPMC. Laboratory, Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, El Jadida, Morocco

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First published: 22 June 2024
Citations: 5

Abstract

This study investigates the dynamics of quantum coherence and entanglement in the spin-1 Heisenberg XXZ model. Particularly, the effects of the Heitler-London (HL) coupling and the Dzyaloshinskii-Moriya (DM) interaction are examined. By utilizing tools from quantum information theory, the concept of quantum correlated coherence and negativity are explored. The results show intrinsic decoherence leads to a decay of both correlated coherence and negativity. Interestingly, it is found that a small value of the Dzyaloshinskii-Moriya interaction can significantly enhance coherence and entanglement. Various factors influence the system dynamics, including the initial state, anisotropy parameter, and the coupling distance between spins. It is shown that, by fixing the anisotropy parameter, the isotropic Heisenberg models XX and XXX can be easily recovered. Ultimately, the findings highlight that the system maintains a coherent temporal evolution despite decoherence.

Conflict of Interest

The authors declare no conflict of interest.

Data Availability Statement

Research data are not shared.

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