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

Contour plot of the steady-state concurrence CS1S2 for different T and θ. The other parameters are κ = λ1 = λ2 = 0.01, M = 0.05, Γ = 1.3, ω = 1.