2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/25057We study the zitterbewegung of electronic wave packets in III-V zinc-blende semiconductor quantum wells due to spin-orbit coupling. Our results suggest a direct experimental proof of this fundamental effect, confirming a long-standing theoretical prediction. For electron motion in a harmonic quantum wire, we numerically and analytically find a resonance condition maximizing the zitterbewegung.5 pages, 2 figures included, a few remarks added, to appear in Phys. Rev. LettMesoscale and Nanoscale PhysicsQuantum Physicstext