Modeling of Electron Transport in Corrugated Quantum Wires

Yuichi Ochiai, L. Hung Lin, Kohji Ishibashi, Yoshinobu Aoyagi, Takuo Sugano, Nicholas L. Holmberg, Jonathan P. Bird, Dragica Vasileska, Richard Akis, David K. Ferry

Research output: Contribution to journalConference article

2 Scopus citations

Abstract

We have studied the low-temperature magnetotransport in the singly and doubly corrugated wires. The application of a sufficiently negative gate bias might result in the formation of weakly coupled dots. In the structures considered here the corrugations act as weak perturbations on the quantum wire. Compared with the experimental results and the numerical simulations of the transports in these perturbed quantum wires, we show that oscillatory magnetoresistance features, observed in the doubly corrugated wire, arise from back-scattered orbits. The observation of wave function scarring in the quantum simulations is given the open nature of the weakly perturbed quantum wires.

Original languageEnglish (US)
Pages (from-to)325-327
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number1 B
DOIs
StatePublished - Jan 1 1999
EventProceedings of the 1998 International Symposium on Formation, Physics and Device Application of Quantum Dot Structures, QDS-98 - Sapporo, Japan
Duration: May 31 1998Jun 4 1998

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Keywords

  • Ballistic transport
  • Coherent back scattering
  • Dot array system
  • GaAs/AlGaAs heterojunction
  • Split-gated quantum wires
  • Wave function scarring

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Ochiai, Y., Lin, L. H., Ishibashi, K., Aoyagi, Y., Sugano, T., Holmberg, N. L., Bird, J. P., Vasileska, D., Akis, R., & Ferry, D. K. (1999). Modeling of Electron Transport in Corrugated Quantum Wires. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 38(1 B), 325-327. https://doi.org/10.1143/JJAP.38.325