2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27706Collisional damping of the excitations in a Bose-condensed gas is investigated over the wide range of energies and temperatures. Numerical results for the damping rate are presented and a number of asymptotic and interpolating expressions for it are derived.RevTeX3.0 + 3 figures in a single PS file, submitted to PRLCondensed MatterCollisional matter-phase damping in Bose-condensed gastext