Quantum rings as electron spin beam splitters
Mesoscale and Nanoscale Physics
2007-05-23 v2
Abstract
Quantum interference and spin-orbit interaction in a one-dimensional mesoscopic semiconductor ring with one input and two output leads can act as a spin beam splitter. Different polarization can be achieved in the two output channels from an originally totally unpolarized incoming spin state, very much like in a Stern-Gerlach apparatus. We determine the relevant parameters such that the device has unit efficiency.
Cite
@article{arxiv.cond-mat/0507650,
title = {Quantum rings as electron spin beam splitters},
author = {Peter Foldi and Orsolya Kalman and Mihaly G. Benedict and F. M. Peeters},
journal= {arXiv preprint arXiv:cond-mat/0507650},
year = {2007}
}
Comments
4 pages, 3 figures; minor changes