Fig. 5: Mean square displacement.
From: Inertial self-propelled particles in anisotropic environments
Comparison between model and measurement with excitation amplitude A = 1.28 g (upper row), A = 1.44 g (middle row), and A = 1.60 g (lower row). a The total mean-square displacement as a function of time t (double logarithmic scaling). Open blue circles and dashed red curves show the experimental data and analytical results, respectively. b The mean-square displacement along the x-axis (cyan) and y-axis (yellow) as functions of time t. Solid colored curves and dashed colored curves show the experimental data and analytical results, respectively. Light-colored areas represent the standard error of the mean. Dashed black curves show simulation data for a particle in confinement. Theoretical predictions correspond to the parameters given in Table 1.
