The influence of Coulomb interactions on electrical conduction through short molecular wires
Mesoscale and Nanoscale Physics
2007-05-23 v2 Materials Science
Abstract
Electrical conduction through a two-terminal molecular device is studied using non-equilibrium Green's functions (NEGF) formalism. Such junction is made of a short linear wire which is connected to the metallic electrodes. Molecule itself is described with the help of Huckel (tight-binding) model with the electron interactions treated within extended Hubbard model (EHM), while the coupling to the electrodes is described with the help of a broad-band theory. Coulomb interactions within molecular wire are treated by means of the restricted Hartree-Fock (RHF) approximation. In particular, the influence of short-range and long-range Coulomb interactions on electrical transport characteristics is discussed in detail.
Keywords
Cite
@article{arxiv.cond-mat/0509727,
title = {The influence of Coulomb interactions on electrical conduction through short molecular wires},
author = {Kamil Walczak},
journal= {arXiv preprint arXiv:cond-mat/0509727},
year = {2007}
}
Comments
8 pages, 3 figures