Lateral superlattices: On the observability of the magnetic band structure

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1397

Rotter, Peter ; Suhrke, Michael ; Rössler, Ulrich

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:28

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We present a quantum mechanical calculation of the resistivity of a strongly modulated two-dimensional electron gas in a perpendicular magnetic field. For lattice constants of the order of the Fermi wavelength the classical picture of commensurate orbits breaks down and the magnetic band structure gains considerable influence. As a characteristic feature the longitudinal magneto-resistivity shows ...