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Magnetotransport in rectangular antidot superlattices

Neudert, R. ; Rotter, Peter ; Rössler, Ulrich ; Suhrke, Michael
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Date of publication of this fulltext: 05 Aug 2009 13:28


Abstract

Rectangular antidot superlattices with ratios of the lattice constants a$_{x}$:a$_{y}$ of 2:1 and 10:1 have been investigated by quantum transport calculations. All the features seen in a recent magnetotransport experiment could be reproduced. A strong anisotropy in the longitudinal magnetoresistances $\rho$$_{xx}$ and $\rho$$_{yy}$ is observed for small magnetic fields: commensurability peaks ...

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