Weiss oscillations in surface-acoustic-wave propagation

Y. Levinson, O. Entin-Wohlman, A. D. Mirlin, and P. Wölfle
Phys. Rev. B 58, 7113 – Published 15 September 1998
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Abstract

The interaction of a surface acoustic wave (SAW) with a two-dimensional electron gas in a periodic potential and subject to a homogeneous magnetic field is considered. We calculate the attenuation of the SAW and its velocity change and show that these quantities exhibit magneto-oscillations induced by commensurability of the cyclotron radius of the electrons with the potential modulation wavelength. Our calculations show that the observation of the effect is within experimental feasibility.

  • Received 23 December 1997

DOI:https://doi.org/10.1103/PhysRevB.58.7113

©1998 American Physical Society

Authors & Affiliations

Y. Levinson

  • Department of Condensed Matter Physics, The Weizmann Institute of Science, Rehovot 76100, Israel

O. Entin-Wohlman

  • School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel

A. D. Mirlin* and P. Wölfle

  • Institut für Theorie der kondensierten Materie, Universität Karlsruhe, 76128 Karlsruhe, Germany

  • *Also at St. Petersburg Nuclear Physics Institute, 188350 St. Petersburg, Russia.

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Vol. 58, Iss. 11 — 15 September 1998

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