Conductance through a One-Dimensional Correlated System: Relation to Persistent Currents and Role of the Contacts
Strongly Correlated Electrons
2009-11-07 v1 Disordered Systems and Neural Networks
Mesoscale and Nanoscale Physics
Abstract
Based on a recent proposal [O.P. Sushkov, Phys. Rev. B 64, 155319 (2001)], we relate the quantum conductance through a sample in which electrons are strongly correlated to the persistent current of a large ring, composed of the sample and a non-interacting lead. A scaling law in the lead length allows to extrapolate to a well-defined value of the conductance, depending only on intrinsic properties of the sample and the nature of the contacts between the sample and the lead. For strongly disordered samples, the conductance is found to be enhanced by the interaction.
Keywords
Cite
@article{arxiv.cond-mat/0209552,
title = {Conductance through a One-Dimensional Correlated System: Relation to Persistent Currents and Role of the Contacts},
author = {Rafael A. Molina and Dietmar Weinmann and Rodolfo A. Jalabert and Gert-Ludwig Ingold and Jean-Louis Pichard},
journal= {arXiv preprint arXiv:cond-mat/0209552},
year = {2009}
}
Comments
4 pages, 4 figures, RevTeX4