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Phys. Rev. B 38, 6301–6304 (1988)

Broadening of the Landau levels in quasi-two-dimensional conductors caused by impurity scattering

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Tsofar Maniv
Department of Chemistry and the Solid State Institute, TechnionIsrael Institute of Technology, Technion City, Haifa 32000, Israel

I. D. Vagner
Max-Planck-Institut für Festkörperforschung, Hochfeld Magnetlabor, 166X, F-38042, Grenoble, France
Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB30HE, England

Received 6 April 1988; published in the issue dated 15 September 1988

The effect of nonmagnetic-impurity scattering on the Landau-level width in a quasi-two-dimensional conductor is studied. It is shown that the square-root dependence of the Landau-level width on the magnetic field obtained by Ando and Uemura [J. Phys. Soc. Jpn. 36, 959 (1974)] in a two-dimensional electron gas crosses over to a (2/3-power law in a quasi-two-dimensional electron gas.

© 1988 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.38.6301
DOI:
10.1103/PhysRevB.38.6301
PACS:
72.20.Dp, 71.20.Ad, 72.20.My, 73.40.Lq