Thermal entanglement in the anisotropic Heisenberg XXZ model with the Dzyaloshinskii-Moriya interaction

Abstract

The thermal entanglement is investigated in a two-qubit Heisenberg XXZ system with Dzyaloshinskii-Moriya (DM) interaction. It is shown that the entanglement can be efficiently controlled by the DM interaction parameter and coupling coefficient $J_z$. $D_x$(the x-component parameter of the DM interaction) has a more remarkable influence on the entanglement and the critical temperature than $D_z$(the z-component parameter of the DM interaction). Thus, by the change of DM interaction direction, we can get a more efficient control parameter to increase the entanglement and the critical temperature.

5 pages, 6 figures, a revised version

References in corpus (5)

• Spin qubits in graphene quantum dots
• Spin Triplet Superconducting State due to Broken Inversion Symmetry in Li_2Pt_3B
• Thermal entanglement in a two-qubit Heisenberg XXZ spin chain under an inhomogeneous magnetic field
• Long-distance entanglement and quantum teleportation in XX spin chains
• Production of multipartite entanglement for electron spins in quantum dots

Cited by in corpus (1)

• Effect of different Dzyaloshinskii-Moriya interactions on entanglement in the Heisenberg XYZ chain