2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/108477The single file diffusion in a circular channel of millimetric charged balls is studied. The evolution in time of the mean square displacement is shown to be subdiffusive, but slower than the power-like $t^{1/2}$ behavior observed in circular colloidal systems or predicted in one-dimensional infinite systems.7 pages, 7 figuresStatistical Mechanicstext