Magnetoresistance in rectangular superlattices: guiding-center approach to 
commensurability oscillations

Gerhardts, R. R.; Zwerschke, S. D. M.

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Magnetoresistance in rectangular superlattices: guiding-center approach to commensurability oscillations

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Gerhardts, R. R.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Gerhardts, R. R., & Zwerschke, S. D. M. (2002). Magnetoresistance in rectangular superlattices: guiding-center approach to commensurability oscillations. Physica E, 12(1-4), 204-207.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F1BB-F

Abstract

We discuss magnetoresistance oscillations of a two-dimensional
electron gas in a rectangular-symmetric lateral superlattice
defined by weak electric and magnetic fields. We demonstrate
how guiding-center drift along closed orbits can lead to a
suppression of commensurability oscillations and a strongly
anisotropic resistance. with high- and low-resistance
directions that can be interchanged by tuning the magnetic
field. (C) 2002 Elsevier Science B.V. All rights reserved.