2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/21536The coupling of branching-annihilating random walks to a static field with a local conservation law is shown to change the scaling properties of their phase transitions to absorbing states. In particular, we find that DP-class transitions give rise to a new universality class distinct from that characterizing the depinning of the so-called linear interface model.4 pages, 4 figuresStatistical Mechanicstext