Time evolution of two-atom entanglement and thermal entanglement in a generalized Jaynes-Cummings model;

Concurrence was adopted to investigate the thermal entanglement produced by resonant multi-photon Jaynes-Cummings model with atomic motion.

The thermal entanglement of a two-qubit Heisenberg XYZ model under a uniform external magnetic field is analyzed,and the influences for the concurrence of the isotropic XY and XXZ models which are special cases of the anisotropic Heisenberg XXZ model in terms of the uniform external magnetic are discussed.

Quantum teleportation,using thermally entangled state of two two-qubit Heisenberg XX chain as resource,with nonzero thermal entanglement and fidelity better than any classical communication protocol is possible.

The effect of impurity on the thermal entanglement in three-qutrit spin-1 Heisenberg XXX chain;

Quantum thermal entanglement of two next nearest-neighbor qubits in a four-qubit isotropic Heisenberg XY model consisting of spin 1/2 and spin S in a homogeneous external magnetic field B was investigated by concurrence measure of entanglement.

We have investigated the thermal entanglement properties of three cases of four qubits in a two-dimensional J1-J2 model by calculating the pairwise concurrence.

Implementing concentration of unknown atomic entangled states via cavity decay;

Teleportation of an unknown 2-particle entangled state;