Non-local Andreev transport through an interacting quantum dot
Superconductivity
2009-02-12 v2 Mesoscale and Nanoscale Physics
Abstract
We investigate sub-gap transport through a single-level quantum dot tunnel coupled to one superconducting and two normal-conducting leads. Despite the tendency of a large charging energy to suppress the equilibrium proximity effect, a finite Andreev current through the dot can be achieved in non-equilibrium situations. We propose two schemes to identify non-local Andreev transport. In one of them, the presence of strong Coulomb interaction leads to negative values of the non-local conductance as a clear signal of non-local Andreev transport.
Cite
@article{arxiv.0806.0237,
title = {Non-local Andreev transport through an interacting quantum dot},
author = {David Futterer and Michele Governale and Marco G. Pala and Jürgen König},
journal= {arXiv preprint arXiv:0806.0237},
year = {2009}
}
Comments
5 pages, 4 figures