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DPG

Berlin 2012 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 51: Transport: Nanoelectronics II - Spintronics and Magnetotransport (jointly with HL and MA)

TT 51.1: Vortrag

Freitag, 30. März 2012, 09:30–09:45, BH 243

Adiabaticity mediated mesoscopic spin transport — •Tobias Dollinger, Henri Saarikoski, and Klaus Richter — Universität Regensburg, Germany

We examine mesoscopic transport in ballistic and diffusive waveguide geometries with Zeeman coupling by means of a numerical recursive Green's function algorithm and interprete the results using a semiclassical transport formalism. Our discussion is focused on analyzing magnetoconductance traces of two-dimensional systems with spatially nonuniform magnetic moment. We illustrate how controlling magnetic field textures within a sample allows for an efficient manipulation of spin transmission properties, which are determined by nonadiabatic transition probabilities.

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