Quantum correlation dynamics of two qubits in independent reservoirs with initial system-reservoir correlations

Xin-Ping Ma,Yue Sun,Jin-Liang Guo

Figure 1. Atomic concurrence and quantum discord as a function of dimensionless quantity ωt for different initial states in Markovian regime (a), (b) and non-Markovian regime (c), (d). The parameters are chosen as $\theta =\pi /6,\varphi =\pi /6$. (a), (b) Γ = 5ω and (c), (d) Γ = 0.2ω.