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 against collision rounds n for different intracollision strength Γ. The parameters are θ = π/4, α = 0, κ = λ = γ = 0.05, ω = 1, T = 1, M = 0.01.