2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/21635We evaluate the effects of heterogeneity on the density of states of H$_2$ molecules inside interstitial channels within bundles of carbon nanotubes. As temperature (T) falls, the density increases within those tubes having the greatest binding energy. At T ~ 10 mK, the molecules undergo Bose-Einstein condensation, exhibiting a singular heat capacity.Soft Condensed MatterStatistical Mechanicstext