Figure 4
From: Terahertz conductivity of topological surface states in Bi1.5Sb0.5Te1.8Se1.2
Temperature dependence of the (a) Drude plasma frequency ωpD, (b) Lorentz plasma frequency ωpL, (c) Drude scattering rate γD and (d) Lorentz scattering rate γL.
Solid line = fit to Eq. (3).
