| Original Articles |
|
|
|
|
Coherent Coupling of Double Quantum Dots Embedded in a Mesoscopic Ring |
| WU Shao-Quan1,2;WANG Shun-Jin1 |
| 1Institute of Modern Physics, Southwest Jiaotong University, Chengdu 610031
2Department of Physics, Sichuan Normal University, Chengdu 610068 |
|
| Cite this article: |
|
WU Shao-Quan, WANG Shun-Jin 2003 Chin. Phys. Lett. 20 1574-1577 |
|
|
|
Abstract We theoretically study the properties of the ground state of a series-coupled double quantum dot embedded in a mesoscopic ring in the Kondo regime by means of the two-impurity Anderson Hamiltonian. The Hamiltonian is solved by means of the slave-boson mean-field theory. It is shown that two dots can be coupled coherently, which is reflected in the appearance of parity effects and the complex current-phase relation in this system. This system might be a possible candidate for future device applications.
|
| Keywords:
72.10.Fk
72.15.Qm
73.23.Ra
|
|
|
Published: 01 September 2003
|
|
| PACS: |
72.10.Fk
|
(Scattering by point defects, dislocations, surfaces, and other imperfections (including Kondo effect))
|
| |
72.15.Qm
|
(Scattering mechanisms and Kondo effect)
|
| |
73.23.Ra
|
(Persistent currents)
|
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
