Diffusion and velocity correlations of the phase transitions in a system of macroscopic rolling spheres

F Vega Reyes, Á Rodríguez-Rivas… - Entropy, 2022 - mdpi.com
We study an air-fluidized granular monolayer composed of plastic spheres which roll on a
metallic grid. The air current is adjusted so that the spheres never lose contact with the grid …