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The entanglement dynamics of an anisotropic two-qubit Heisenberg XYZ systemin the presence of intrinsic decoherence is studied. The usefulness of suchsystem for performance of the quantum teleportation protocol ${\cal T}_0$ andentanglement teleportation protocol ${\cal T}_1$ is also investigated. Theresults depend on the initial conditions and the parameters of the system. Forthe product and maximally entangled initial states, increasing the size ofspin-orbit interaction parameter $D$ amplifies the effects of dephasing andhence decreases the asymptotic entanglement and fidelity of teleportation. Weshow that the XY and XYZ Heisenberg systems provide a minimal resourceentanglement, required for realizing efficient teleportation. Also, we findthat for the some special cases there are some maximally entangled states whichare immune to intrinsic decoherence. Therefore, it is possible to perform thequantum teleportation protocol ${\cal T}_0$ and the entanglement teleportation${\cal T}_1$ with perfect quality by choosing a proper set of parameters andemploying one of these maximally entangled robust states as initial state ofthe resource.

the european physical journal. d, atomic, molecular and optical physics/the european physical journal. d, atomic, molecular, optical and plasma physics

Influence of dephasing on the entanglement teleportation via a two-qubit Heisenberg XYZ system