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Single-electron tunneling through a double quantum dot: The artificial molecule
Abstract
Single-electron tunneling through two coupled quantum dots is strongly influenced by the electrostatic interaction between the dots. At low temperatures, we observe the formation of a molecularlike state in the double-dot system. The dots are defined by split gates in an ${\mathrm{Al}}_{\mathit{x}}$${\mathrm{Ga}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$As-GaAs heterostructure. They are of different size and coupled in series, leading to two different charging energies. In the linear transport regime we find the charging diagram for the double quantum dot. This diagram exhibits the operation points of the system to be employed as an electron pump. \textcopyright{} 1996 The American Physical Society.
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Citations
Cited by
Single-electron devices and their applications
Likharev, K. K. (1999) · Proceedings of the IEEE · doi:10.1109/5.752518 · Cited by 1,453
Electronic structure of quantum dots
Reimann, S. M., & Manninen, M. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.1283 · Cited by 1,380
A device architecture for computing with quantum dots
Lent, C. S., & Tougaw, P. D. (1997) · Proceedings of the IEEE · doi:10.1109/5.573740 · Cited by 1,273
Coherent and collective quantum optical effects in mesoscopic systems
Brandes, T. (2005) · Physics Reports · doi:10.1016/j.physrep.2004.12.002 · Cited by 434
Introduction to Mesoscopic Electron Transport
Kouwenhoven, L. P., Schön, G., & Sohn, L. L. (1997) · Mesoscopic Electron Transport · doi:10.1007/978-94-015-8839-3_1 · Cited by 399
Metadata
- Authors
- Blick, R. H., Haug, R. J., Weis, J., Pfannkuche, D., Klitzing, K. V., & Eberl, K.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1996-03-15
- Volume
- 53
- Issue
- 12
- Pages
- 7899-7902
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2018640055
- Cited by
- 183
- References
- 0
- FWCI
- 10.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- Blick, R. H., Haug, R. J., Weis, J., Pfannkuche, D., Klitzing, K. V., & Eberl, K. (1996). Single-electron tunneling through a double quantum dot: The artificial molecule. Physical Review B. https://doi.org/10.1103/physrevb.53.7899
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