2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135700Quantum dynamical lower bounds for continuous and discrete one-dimensional Dirac operators are established in terms of transfer matrices. Then such results are applied to various models, including the Bernoulli-Dirac one and, in contrast to the discrete case, critical energies are also found for the continuous Dirac case with positive mass.18 pages; to appear in Math. ZMathematical PhysicsFunctional Analysis81Q10text