Quantum entanglement dynamics based on composite quantum collision model
Li Xiao-Ming, Chen Yong-Xu, Xia Yun-Jie, Zhang Qi, Man Zhong-Xiao
       

Negativity of the system as a function of collision rounds n for different initial states. The other parameter parameters are κ = λ1 = λ2 = 0.05, Γ = 1.2, T = 1.