2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152480We study the dynamics of an heteropolymeric chain relaxing toward a new equilibrium configuration after the action of an external perturbation. We compare the results from Monte Carlo simulations with the results of a Langevin normal mode decomposition. We discuss, for sake of comparison, the case of an ordered homopolymeric chain.14 pages, Latex files, 5 figures not included, sorry. SCCS 331, ROM2F-92-35High Energy Physics - LatticeCondensed MatterQuantitative Methodstext