Abstract
The acoustoelectric current in a ballistic quantum point contact is studied using a quantum approach. The acoustoelectric current is found to be of the `pumping' type and is not related to drag, which is the momentum transfer from the surface acoustic wave to the electron gas.
| Original language | English |
|---|---|
| Pages (from-to) | 634-637 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 85 |
| Issue number | 3 |
| DOIs | |
| State | Published - 17 Jul 2000 |
| Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (all)