Landau-Zener transitions in a semiconductor quantum dot
Strongly Correlated Electrons
2009-12-03 v1
Abstract
We study the transitions between neighboring energy levels in a quasi-one-dimensional semiconductor quantum dot with two interacting electrons in it, when it is subject to a linearly time-dependent electric field. We analyze the applicability of simple two-level Landau-Zener model to describe the evolution of the probability amplitudes in this realistic system. We show that the Landau-Zener model works very well when it is viewed in the adibatic basis, but it is not as robust in the diabatic basis.
Cite
@article{arxiv.0804.2669,
title = {Landau-Zener transitions in a semiconductor quantum dot},
author = {G. E. Murgida and D. A. Wisniacki and P. I. Tamborenea},
journal= {arXiv preprint arXiv:0804.2669},
year = {2009}
}
Comments
7 pages, 7 figures. Submitted to Special Issue "Quantum Control of Matter and Light" of Journal of Modern Physics