| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9789821 | Physica E: Low-dimensional Systems and Nanostructures | 2005 | 4 Pages |
Abstract
We measure the Coulomb drag between parallel split-gate quantum wires with a quantum dot embedded in one of the two wires (drive wire). We observe negative Coulomb drag when a Coulomb oscillation peak appears in the drive wire and the conductance of the other wire (drag wire) is slightly below the first plateau. This indicates that correlation holes are dragged in the drag wire by single electron tunneling through the quantum dot in the drive wire. The drag is only promoted in the drag wire near the barrier regions of the dot, and low compressibility of the drag wire is necessary for the negative drag to occur.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Masafumi Shimizu, Michihisa Yamamoto, Michael Stopa, Motonari Honda, Seigo Tarucha,