Coupling-driven transition from multiple to single-dot interference in open quantum-dot arrays

C. Prasad, N. Aoki, Y. Aoyagi, A. Shailos, R. Akis, D. K. Ferry, J. P. Bird, M. Elhassan, Y. Takagaki, Y. Ochiai, L. H. Lin, K. Ishibashi

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Abstract

The details of electron interference in open quantum-dot arrays are studied in experiment and numerical simulations. Reproducible fluctuations are observed in their low-temperature magnetoconductance and the characteristics of these are suggested to be consistent with a transition from multiple to single-dot interference, which occurs as the strength of the interdot coupling is varied. These results therefore reveal a nontrivial scaling of the conductance fluctuations in quantum-dot arrays, which is thought to arise due to the influence of the interdot coupling on energy hybridization.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number8
DOIs
StatePublished - Jan 1 2001

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Prasad, C., Aoki, N., Aoyagi, Y., Shailos, A., Akis, R., Ferry, D. K., Bird, J. P., Elhassan, M., Takagaki, Y., Ochiai, Y., Lin, L. H., & Ishibashi, K. (2001). Coupling-driven transition from multiple to single-dot interference in open quantum-dot arrays. Physical Review B - Condensed Matter and Materials Physics, 64(8). https://doi.org/10.1103/PhysRevB.64.085325