Optical conductivity of small adiabatic polarons with a long-range electron-phonon interaction

The 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.

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