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Phys. Rev. B 68, 155107 (2003) [7 pages]

Quantum magnetic oscillations of the chemical potential in superlattices and layered conductors

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V. M. Gvozdikov*
Grenoble High Magnetic Field Laboratory, Max-Planck-Institut für Festkörperforschung, and Centre National de la Recherche Scientifique, F-38042 Grenoble, Cedex 9, France
Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany

A. G. M. Jansen
Service de Physique Statistique, Magnétisme, et Supraconductivité, Département de Recherche Fondamentale sur la Matière Condensée, CEA-Grenoble, 38054 Grenoble Cedex 9, France

D. A. Pesin
Department of Physics, Kharkov National University, Svobody Square 4, 61077, Kharkov, Ukraine

I. D. Vagner
Grenoble High Magnetic Field Laboratory, Max-Planck-Institut für Festkörperforschung, and Centre National de la Recherche Scientifique, F-38042 Grenoble, Cedex 9, France

P. Wyder
Grenoble High Magnetic Field Laboratory, Max-Planck-Institute für Festkörperforshung, and Centre National de la Recherche Scientifique, F-38042 Grenoble, Cedex 9, France

Received 20 May 2003; published 10 October 2003

A theory is presented for the chemical potential oscillations in superlattices in a quantizing magnetic field applied perpendicular to the layers which takes into account the electronic miniband structure attached to each Landau level. This miniband structure in the occupation below the Fermi energy reduces the amplitude of the chemical potential oscillations through a specific integral factor which depends on the density of states related to the electronic motion across the layers.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.68.155107
DOI:
10.1103/PhysRevB.68.155107
PACS:
71.18.+y, 75.20.En

*On leave from the Kharkov National University, 61077, Kharkov, Ukraine.