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

Figure 2

The perturbed electron gas density (normalized by ) with and without viscosity for different relaxation times (i.e., different viscosity coefficients and the dimensionless variables //): (a) , (b) , (c) , and (d) with and .

(a)

(b)

(c)

(d)