2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91763The hopping of an electron, interacting with many ions of a lattice via the long-range (Fröhlich) electron-phonon interaction and optical absorption are studied at zero temperature. Ions are assumed to be isotropic three-dimensional oscillators. The optical conductivity and a renormalized mass of small adiabatic Fröhlich polarons is calculated and compared with those of small adiabatic Holstein polarons.Submitted to J.Physics: Conden.MatterQuantum PhysicsCondensed Mattertext