ac-driven atomic quantum motor
Atomic Physics
2009-06-09 v3 Other Condensed Matter
Quantum Physics
Abstract
We invent an ac-driven quantum motor consisting of two different, interacting ultracold atoms placed into a ring-shaped optical lattice and submerged in a pulsating magnetic field. While the first atom carries a current, the second one serves as a quantum starter. For fixed zero-momentum initial conditions the asymptotic carrier velocity converges to a unique non-zero value. We also demonstrate that this quantum motor performs work against a constant load.
Cite
@article{arxiv.0902.0489,
title = {ac-driven atomic quantum motor},
author = {A. V. Ponomarev and S. Denisov and P. Hanggi},
journal= {arXiv preprint arXiv:0902.0489},
year = {2009}
}
Comments
4 pages, 4 figures