Effect of Viscosity on Stopping Power for a Charged Particle Moving above Two-Dimensional Electron Gas

Figure 3

Comparisons of the perturbed electron gas density (normalized by ) in the different moving speeds of the incident particles in the case of considering different relaxation times (i.e., different viscosity coefficients and the dimensionless variables //): (a) , (b) , and (c) with .

(a)

(b)

(c)