Entanglement dynamics of a three-qubit system with different interatomic distances*
Feng Ling-Juana), Zhang Ying-Jiea),b), Zhang Lua), Xia Yun-Jiea)
       
(a) The entanglement versus r 12/ λ with for various values of γt , and (b) the entanglement versus γt with for various values of γ 12. The solid (blue, red, green) line is for C 3, and the dashed (blue, red, green) line is for N 3. (c) The γ 12/ γ versus r 12/ λ with θ = 5 π /6.