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cond-mat.mtrl-sci2022
Equilibrium and out-of-equilibrium over-screening free phonon self-energy in realistic materials
Andrea Marini
In model Hamiltonians, like Fröhlich's, the electron-phonon interaction is assumed to be screened from the beginning. The same occurs when this interaction is obtained by using the…
cond-mat.mtrl-sci2022★ 27 cited
Exciton-phonon interaction calls for a revision of the "exciton" concept
Fulvio Paleari, Andrea Marini
The concept of \textit{optical} exciton - a photo-excited bound electron-hole pair within a crystal - is routinely used to interpret and model a wealth of excited-state phenomena i…