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Zhang, G.-F. and Li, S.-S. (2005) Thermal Entanglement in a Two-Qubit Heisenberg XXZ Spin Chain under an Inhomogeneous Magnetic Field. Physical. Review A, 72, Article ID: 034302.
http://dx.doi.org/10.1103/PhysRevA.72.034302

has been cited by the following article:

• TITLE: Quantum Discord of a Two-Qubit Anisotropy XXZ Heisenberg Chain with Dzyaloshinskii-Moriya Interaction

  AUTHORS: Nour Zidan

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

  JOURNAL NAME: Journal of Quantum Information Science, Vol.4 No.2, May 29, 2014

  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.