Quantum transport through an open periodic array of up to five dots is investigated in the presence of a magnetic field. The device spectrum exhibits clear features of the band structure of the corresponding one-dimensional artificial crystal which evolves with varying field. A significant magnetically controlled current flow is induced with changes up to many orders of magnitude depending on temperature and material parameters. Our results put forward a simple design for measuring with current technology the magnetic subband formation of quasi one-dimensional Bloch electrons.
@article{arxiv.cond-mat/0609207,
title = {Magnetically controlled current flow in coupled-dot arrays},
author = {Panagiotis Drouvelis and Giorgos Fagas and Peter Schmelcher},
journal= {arXiv preprint arXiv:cond-mat/0609207},
year = {2007}
}