Phonon linewidth due to electron-phonon interactions with strong forward scattering in FeSe thin films on oxide substrates

Yan Wang, Louk Rademaker, Elbio Dagotto +1

The discovery of an enhanced superconducting transition temperature $T_c$ in monolayers of FeSe grown on several oxide substrates has opened a new route to high-$T_c$ superconducti…