Quantum Discord of a Two-Qubit Anisotropy XXZ Heisenberg Chain with Dzyaloshinskii-Moriya Interaction - Journal of Quantum Information Science

JQIS > Vol.4 No.2, June 2014

Journal of Quantum Information Science

Volume 4, Issue 2 (June 2014)

ISSN Print: 2162-5751 ISSN Online: 2162-576X

Google-based Impact Factor: 0.84 Citations

Quantum Discord of a Two-Qubit Anisotropy XXZ Heisenberg Chain with Dzyaloshinskii-Moriya Interaction ()

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DOI: 10.4236/jqis.2014.42011 3,961 Downloads 7,315 Views Citations

Author(s)

Nour Zidan

Affiliation(s)

Mathematics Department, Faculty of Science, Sohag University, Sohag, Egypt.

ABSTRACT

We investigate the quantum discord of a two-qubit anisotropy XXZ Heisenberg chain with Dzyaloshinskii-Moriya (DM) interaction under magnetic field. It is shown that the quantum discord highly depends on the system’s temperature T, DM interaction D, homogenous magnetic field B and the anisotropy Δ. For lower temperature T, by modulating D and B, the quantum discord can be controlled and the quantum discord switch can be realized.

KEYWORDS

Quantum Discord, Heisenberg Chain, Dzyaloshinskii-Moriya Interaction, Anisotropy, Magnetic Field

Share and Cite:

Zidan, N. (2014) Quantum Discord of a Two-Qubit Anisotropy XXZ Heisenberg Chain with Dzyaloshinskii-Moriya Interaction. Journal of Quantum Information Science, 4, 104-110. doi: 10.4236/jqis.2014.42011.

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