2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/170329We provide numerical evidence that hydrodynamic interactions are screened for charged polymers in salt solution on time scales below the Zimm time. At very short times, a crossover to hydrodynamic behavior is observed. Our conclusions are drawn from extensive coarse-grained computer simulations of polyelectrolytes in explicit solvent and explicit salt, and discussed in terms of analytical arguments based on the Debye-Hueckel approximation.4 pages, 4 figures, submitted to Physical Review LettersSoft Condensed Mattertext