Abstract
We consider a model of a semiconductor quantum ring of finite width in a constant perpendicular magnetic field. We show how a current of the same order as the persistent current can be generated nonadiabatically by a short intensive pulse in the Tera-Hertz regime.
- Received 2 January 2003
DOI:https://doi.org/10.1103/PhysRevB.67.161301
©2003 American Physical Society
