Transport Properties of an Interacting Quantum Dot with a Non-Uniform Magnetization
Disordered Systems and Neural Networks
2011-11-17 v1 Mesoscale and Nanoscale Physics
Abstract
We study the influence of the non-homogeneity of a magnetization field on the behaviour of interacting electrons in a quantum dot. In particular we investigate the magnetotransport properties when the dot is weakly coupled to two ferromagnetic leads. We take into account the interactions in the quantum dot non-perturbatively. For a magnetization which varies slowly on the scale of the Fermi wave length, the non-homogeneity effect is described by a gauge potential that can be treated perturbatively.
Cite
@article{arxiv.0807.1400,
title = {Transport Properties of an Interacting Quantum Dot with a Non-Uniform Magnetization},
author = {N. Sedlmayr and J. Berakdar},
journal= {arXiv preprint arXiv:0807.1400},
year = {2011}
}
Comments
6 pages, to be published in EPL