Abstract
The distribution of the peak spacings of Coulomb oscillation is theoretically investigated in disordered quantum dots. Taking account of the electron-electron interaction by the perturbation, we show that a pair-type (BCS-type) correlation plays an important role in determining the distribution, which could deviate drastically from the prediction of the random matrix theory. A possible mechanism of a sharp peak structure is proposed, which is in accordance with numerical results.
| Original language | English |
|---|---|
| Pages (from-to) | 1770-1771 |
| Number of pages | 2 |
| Journal | Physica B: Condensed Matter |
| Volume | 284-288 |
| Issue number | PART II |
| DOIs | |
| Publication status | Published - 2000 Jan 1 |
Keywords
- Coulomb oscillation
- Level statistics
- Quantum dots
- Wigner distribution
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
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