Figure 3
Modeled incoherent scattering functions of hypothetical soft colloids (D = 2 Å2 µeV, Dint = 35 Å2 µeV and τ = 0.001 µeV−1) in liquid suspension as a function of the momentum transfer ℏq for different energy transfers ℏω, (a) 0 µeV, (b) 0.9 µeV, (c) 5 µeV, (d) 10 µeV, versus q. Besides the total incoherent scattering function (solid green line), the different contributions from the apparent global diffusion (blue dashed line) and from the internal diffusion (orange dashed–dotted line) are shown for several energy transfers. The red lines represent the fits to equation (2). For detailed information on the modeling see the main text and supporting information. |