Abstract
We theoretically study the spin Hall effect (SHE) in multi-terminal quantum-dot system with spin-orbit interaction. First, we analytically formulate the SHE around current peaks of the Coulomb oscillation. The SHE is remarkably enhanced by the resonant tunneling when the energy level spacing is smaller than the level broadening in the quantum dot. Next, we examine the many-body resonance by the Kondo effect in the Coulomb blockade regime. A large SHE is observed in the presence of SU(4) Kondo effect when the level spacing is smaller than the Kondo temperature.
| Original language | English |
|---|---|
| Title of host publication | Physics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30 |
| Pages | 647-648 |
| Number of pages | 2 |
| DOIs | |
| Publication status | Published - 2011 Dec 1 |
| Event | 30th International Conference on the Physics of Semiconductors, ICPS-30 - Seoul, Korea, Republic of Duration: 2010 Jul 25 → 2010 Jul 30 |
Publication series
| Name | AIP Conference Proceedings |
|---|---|
| Volume | 1399 |
| ISSN (Print) | 0094-243X |
| ISSN (Electronic) | 1551-7616 |
Other
| Other | 30th International Conference on the Physics of Semiconductors, ICPS-30 |
|---|---|
| Country | Korea, Republic of |
| City | Seoul |
| Period | 10/7/25 → 10/7/30 |
Keywords
- Kondo effect
- quantum dot
- resonant tunneling
- spin Hall effect
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Cite this
Yokoyama, T., & Eto, M. (2011). Spin Hall effect enhanced by Kondo resonance in semiconductor quantum dot. In Physics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30 (pp. 647-648). (AIP Conference Proceedings; Vol. 1399). https://doi.org/10.1063/1.3666543