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cond-mat.supr-con2025
Nonlinear electron-phonon interactions in Migdal-Eliashberg theory
Ingvar Zappacosta, Matthew Houtput, Jacques Tempere
Superconducting systems based on attractive electron-phonon interactions are the ones which are best understood at a fundamental level. They are well described using Eliashberg the…
cond-mat.supr-con2022
Stability conditions for a large anharmonic bipolaron
Matthew Houtput, Jacques Tempere
A large polaron is a quasiparticle that consists of a nearly free electron interacting with the phonons of a material, whose lattice parameters are much smaller than the polaron sc…
cond-mat.supr-con2020★ 16 cited
Beyond the Fröhlich Hamiltonian: Path integral treatment of large polarons in anharmonic solids
Matthew Houtput, Jacques Tempere
The properties of an electron in a typical solid are modified by the interaction with the crystal ions, leading to the formation of a quasiparticle: the polaron. Such polarons are…