Small adiabatic polaron with a long-range electron-phonon interaction
A.S. Alexandrov, B.Ya. Yavidov
TL;DR
This paper investigates the properties of small adiabatic Fröhlich polarons in a two-site system, focusing on how long-range electron-phonon interactions influence electron hopping compared to local interactions.
Contribution
It provides a comparative analysis of the renormalized hopping integral for small adiabatic Fröhlich polarons versus Holstein polarons in a two-site model.
Findings
Renormalized hopping integral for Fröhlich polarons calculated.
Comparison shows differences with Holstein polarons.
Insights into long-range electron-phonon effects in adiabatic regime.
Abstract
Two-site single electron system interacting with many vibrating ions of a lattice via a long-range (Fr\"{o}hlich) electron-phonon interaction is studied in the adiabatic regime. The renormalised hopping integral of small adiabatic Fr\"{o}hlich polarons is calculated and compared with the hopping integral of small adiabatic Holstein polarons.
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