2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/92631It is demonstrated that in one-dimensional Ising chain with nearest-neighbor interactions, irradiated by a weak resonant transverse field, a stimulated wave of flipped spins can be triggered by a flip of a single spin. This analytically solvable model illustrates mechanisms of quantum amplification and quantum measurement.14 pages, 3 figuresQuantum Physicstext