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Have quantum scars been observed?

Author

Listed:
  • T. S. Monteiro

    (University College London)

  • D. Delande

    (Laboratoire Kastler Brossel, 4 Place Jussieu)

  • J.-P. Connerade

    (Blackett Laboratory, Imperial College)

Abstract

Wilkinsonet al.1 have reported observations of oscillations in the current of a resonant tunnelling diode in a magnetic field. They proposed that this provides the first direct experimental evidence for quantum ‘scarring’ in a real chaotic system. But we believe that Wilkinson et al. have not observed quantum scars in the usual sense. They considered a far-from semiclassical regime where current theories of scarring are not valid. Demonstrating these effects in a solid-state device is a tremendous achievement. However, we believe that even in the semiclassical limit this type of experiment does not go beyond other experiments on atoms in magnetic fields as a probe of scarring.

Suggested Citation

  • T. S. Monteiro & D. Delande & J.-P. Connerade, 1997. "Have quantum scars been observed?," Nature, Nature, vol. 387(6636), pages 863-864, June.
    • Handle: RePEc:nat:nature:v:387:y:1997:i:6636:d:10.1038_43096
    DOI: 10.1038/43096
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