One-dimensional strongly interacting electrons with single impurity: conductance reemergence
Strongly Correlated Electrons
2015-03-27 v2
Abstract
We show that conductance of 1D channel with one point-like impurity critically depends on asymptotic behavior of e-e interaction at small momenta k (about inverse length of a channel). Conductance reemerges (contrary to the case of point-like repulsive potential) if potential V(k=0)= 0. For example, this happens if the bare e-e interaction is screened by the charges in the bulk. The relation of this phenomena to the long-range order present in the Luttinger model is discussed.
Cite
@article{arxiv.1406.2297,
title = {One-dimensional strongly interacting electrons with single impurity: conductance reemergence},
author = {V. V. Afonin and V. Yu Petrov},
journal= {arXiv preprint arXiv:1406.2297},
year = {2015}
}
Comments
The version of the article will be published in JETP Letters