Figure 3
From: Minimal evolution time and quantum speed limit of non-Markovian open systems

Numerical solution of the relative-purity fidelity (red lines) and the dissipator (blue lines) of the quantum dot model35.
λ = 0.02 which represents the strong-coupling regime, with N1 = N2 = 500 and δε = 0.5ħ. The initial states are (a), (b): and (c), (d):
, respectively.