Figure 3

The QSLT for the Ohmic-like dephasing model as a function of the initial time parameter τ with different coherence C(ρ0).
The inset shows the decay rate qτ of the coherence for the mixed state ρτ with C(ρ0) = 1. Parameters are chosen as, ωc = 1, η = 1 and τD = 1.