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Portrait of Heiner Linke; Photo: Kennet Ruona

Heiner Linke

Professor, Deputy dean at Faculty of Engineering, LTH

Portrait of Heiner Linke; Photo: Kennet Ruona

Probing the sensitivity of electron wave interference to disorder-induced scattering in solid-state devices

Author

  • B. C. Scannell
  • I. Pilgrim
  • A. M. See
  • R. D. Montgomery
  • P. K. Morse
  • M. S. Fairbanks
  • C. A. Marlow
  • Heiner Linke
  • I. Farrer
  • D. A. Ritchie
  • A. R. Hamilton
  • A. P. Micolich
  • L. Eaves
  • R. P. Taylor

Summary, in English

The study of electron motion in semiconductor billiards has elucidated our understanding of quantum interference and quantum chaos. The central assumption is that ionized donors generate only minor perturbations to the electron trajectories, which are determined by scattering from billiard walls. We use magnetoconductance fluctuations as a probe of the quantum interference and show that these fluctuations change radically when the scattering landscape is modified by thermally induced charge displacement between donor sites. Our results challenge the accepted understanding of quantum interference effects in nanostructures.

Department/s

  • Solid State Physics
  • NanoLund

Publishing year

2012

Language

English

Publication/Series

Physical Review B (Condensed Matter and Materials Physics)

Volume

85

Issue

19

Document type

Journal article

Publisher

American Physical Society

Topic

  • Condensed Matter Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121