2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84181In this work, we put forward a theoretical explanation of a peculiar effect found very recently (A. Gonzalez Urena et al., Chem. Phys. Lett. 341 (2001) 495). They have observed the deflection of a beam of molecules posessing a permanent electric dipole moment by a homogeneous electric field when a resonant oscillating field is superposed transverse to the static one.Latex, 2 ps figures, corrected some typos, reference addedChemical PhysicsGeneral Physicstext