Figure 4
From: Role of flow of information in the speedup of quantum evolution
The atomic excited population Pt as a function of Γt for various values of phase ϕ with Γtd = 2, β = 1, Δ = 0 and Ω = 0. Note that only the range t > td is shown due to the fact that the behavior exhibits an exponential decay and does not dependent on ϕ in t < td.
