Figure 4
From: Cavity-based architecture to preserve quantum coherence and entanglement
Density plots of coherence C 
of the qubit as functions of detuning δ and the scaled time Γ1t for (a) κ = 0.24 Γ1, Γ2 = 0.2 Γ1, J = 0.5 Γ1; (b) κ = 0.24 Γ1, Γ2 = 0.2 Γ1, J = Γ1; (c) κ = 0.4 Γ1, Γ2 = 0.5 Γ1, J = 0.5 Γ1; (d) κ = 0.4 Γ1, Γ2 = 0.5 Γ1, J = Γ1. The initial state of the qubit is maximally coherent 
. The values of the coherence are within the range: [0, 1].
