Fig. 4: The equilibrium position 〈Z〉 as functions of Γ under different gravities genv.
From: Unraveling the role of gravity in shaping intruder dynamics within vibrated granular media
a–f Data measured in gravities 0.05, 0.07, 0.1, 0.125, 0.15, 0.167 g respectively. Red circles are for f = 3 Hz, green squares for f = 4 Hz, blue diamonds for f = 5 Hz, yellow up triangles for f = 6 Hz, purple down triangles for f = 8 Hz and gray left triangles for f = 10 Hz. The error bars are the standard deviations obtained at the equilibrium positions 〈(Z(t)−〈Z〉)2〉. g Data measured in the laboratory at genv = 1 g: Red circles for f = 15 Hz, green squares for f = 20 Hz, and blue diamonds for f = 25 Hz. h The critical vibration acceleration Γc plotted as a function of genv.
