Mechanical effects in quantum dots in magnetic and electric fields
Mesoscale and Nanoscale Physics
2007-05-23 v1
Abstract
The mechanical effects in finite two-dimensional electron systems (quantum dots or droplets) in a strong perpendicular magnetic field are studied. It is shown that, due to asymmetry of the cyclotron dynamics, an additional in-plane electric field causes a ground state transition accompanied by a change in the average total angular momentum of the system, unless the lateral confining potential is exactly parabolic. A precise mechanical experiment is proposed in which a macroscopic angular momentum of a dense matrix of quantum dots could be measured and used to detect and estimate anharmonicity of the confinement.
Cite
@article{arxiv.cond-mat/0101133,
title = {Mechanical effects in quantum dots in magnetic and electric fields},
author = {Lucjan Jacak and Jurij Krasnyj and Dorota Jacak and Arkadiusz Wojs},
journal= {arXiv preprint arXiv:cond-mat/0101133},
year = {2007}
}
Comments
6 pages, no figures, submitted to Physica E