Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9575166 | Chemical Physics | 2005 | 8 Pages |
Abstract
We explore the possibility of inducing in heterostructures driven by an ac gate voltage the coherent current suppression recently found for nanoscale conductors in oscillating fields. The destruction of current is fairly independent of the transport voltage, but can be controlled by the driving amplitude and frequency. Within a tight-binding approximation, we obtain analytical results for the average current in the presence of driving. These results are compared against an exact numerical treatment based on a transfer-matrix approach.
Related Topics
Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
Miguel Rey, Michael Strass, Sigmund Kohler, Fernando Sols, Peter Hänggi,