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- Publisher
- American Physical Society (APS)
- Copyright
- Copyright © 2002 The American Physical Society
- ISSN
- 1095-3795
- DOI
- 10.1103/PhysRevB.66.245321
- Publisher site
- See Article on Publisher Site
Abstract
We consider the effect of an oscillating potential on the single-particle spectrum and the time-averaged persistent current of a one-dimensional phase-coherent mesoscopic ring with a magnetic flux. We show that in a ring with an even number of spinless electrons the oscillating potential has a strong effect on the persistent current when the excited side bands are close to the eigenlevels of a pure ring. Resonant enhancement of side bands of the Floquet state generates a sign change of the persistent current.
Journal
Physical Review B – American Physical Society (APS)
Published: Dec 15, 2002