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."

Figure 2.

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 θ = π/3, φ = 0. (a), (b) Γ = 5ω and (c), (d) Γ = 0.2ω."

Figure 3.

Atomic concurrence as a function of dimensionless quantity ωt for the initial state $| \psi (0){\rangle }_{{ABE}}=| {gg}\rangle $ ⨂ $(\cos \zeta | 01\rangle +\sin \zeta | 10\rangle )$ in Markovian regime Γ = 5ω."

Figure 4.

Atomic concurrence as a function of dimensionless quantity ωt for different hopping rates ν in Markovian regime Γ = 5ω. (a) initial state ${\rho }_{{ABE}}^{(1)};$ (b) initial state ${\rho }_{{ABE}}^{(2)};$ (c) initial state ${\rho }_{{ABE}}^{(3)}$. The parameters are chosen as θ = π/6 and φ = π/6."

Figure 5.

Atomic concurrence as a function of dimensionless quantity ωt for different hopping rates ν in non-Markovian regime Γ = 0.2ω. (a) initial state ${\rho }_{{ABE}}^{(1)};$ (b) initial state ${\rho }_{{ABE}}^{(2)};$ (c) initial state ${\rho }_{{ABE}}^{(3)}$. The parameters are chosen as θ = π/6 and φ = π/6."