Genuine Tripartite Entanglement Dynamics and Transfer in a Triple Jaynes-Cummings Model

By applying the conjugate gradient method in the evaluation of three-qubit’s three-tangle, the genuine tripartite entanglement dynamics and transfer for a triple Jaynes-Cummings model is investigated numerically. In the triple Jaynes-Cummings model, three entangled atoms A , B and C locally interact with independent cavities a , b and c , respectively. By choosing two types of Greenberger-Horne-Zeilinger (GHZ)-like states as atomic initial states, we show the time evolutions of three-tangle for all non-interaction three-qubit subsystems and find that genuine tripartite entanglement dynamical behavior depends on the type of atomic initial state.