Inelastic scattering in a local polaron model with quadratic coupling to bosons
Materials Science
2010-03-25 v1 Chemical Physics
Abstract
We calculate the inelastic scattering probabilities in the wide band limit of a local polaron model with quadratic coupling to bosons. The central object is a two-particle Green function which is calculated exactly using a purely algebraic approach. Compared with the usual linear interaction term a quadratic interaction term gives higher probabilities for inelastic scattering involving a large number of bosons. As an application we consider the problem hot electron mediated energy transfer at surfaces and use the delta self-consistent field extension of density functional theory to calculate and compare coupling parameters and probabilities for exciting different vibrational modes of CO adsorbed on a Cu(100) surface.
Keywords
Cite
@article{arxiv.0903.1786,
title = {Inelastic scattering in a local polaron model with quadratic coupling to bosons},
author = {Thomas Olsen},
journal= {arXiv preprint arXiv:0903.1786},
year = {2010}
}