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Single-Electron Charging in Double and Triple Quantum Dots with Tunable Coupling
Abstract
We report low-temperature tunneling measurements at zero magnetic field through double and triple quantum dots with adjustable interdot coupling, fabricated in a GaAs/AlGaAs heterostructure. As the coupling is increased, Coulomb blockade conductance peaks split into two (double dot) or three (triple dot) peaks each. The splitting tracks closely the measured tunnel conductance and experimentally determines the total interaction energy. Coupled double and triple dots with different gate capacitance show quasiperiodic beating.
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Citations
Cited by
Semiconductor Clusters, Nanocrystals, and Quantum Dots
Alivisatos, A. P. (1996) · Science · doi:10.1126/science.271.5251.933 · Cited by 11,528
Quantum computation with quantum dots
Loss, D., & DiVincenzo, D. P. (1998) · Physical Review A · doi:10.1103/physreva.57.120 · Cited by 6,840
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
Metadata
- Authors
- Waugh, F. R., Berry, M. J., Mar, D. J., Westervelt, R. M., Campman, K. L., & Gossard, A. C.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-07-24
- Volume
- 75
- Issue
- 4
- Pages
- 705-708
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2050316074
- Cited by
- 476
- References
- 0
- FWCI
- 16.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Single-Electron Charging in Double and Triple Quantum Dots with Tunable Coupling. https://app.cochat.ai/papers/10.1103/physrevlett.75.705
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- Waugh, F. R., Berry, M. J., Mar, D. J., Westervelt, R. M., Campman, K. L., & Gossard, A. C. (1995). Single-Electron Charging in Double and Triple Quantum Dots with Tunable Coupling. Physical Review Letters. https://doi.org/10.1103/physrevlett.75.705
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