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Electron Pinball and Commensurate Orbits in a Periodic Array of Scatters

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Weiss, Dieter ; Roukes, M. ; Menschig, A. ; Grambow, P. ; Klitzing, Klaus von ; Weimann, G.
Date of publication of this fulltext: 05 Aug 2009 13:57


We have introduced an artificial array of scatterers into a macroscopic two- dimensional conductor nearly devoid of intrinsic defects. This generates pronounced structure in the magnetoresistance, anomalous low-field Hall plateaus, and a quenching of the Hall effect about B=0. Our calculations show that the predominant features in the data arise from commensurate classical orbits impaled upon small groups of the imposed scatterers.

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