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Dresden 2009 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 23: Transport in high magnetic field/quantum-Hall-effect

HL 23.1: Talk

Tuesday, March 24, 2009, 14:00–14:15, BEY 154

Landauer-Büttiker study of the anomalous Hall effect in a spin-orbit coupled two-degenerate electron gas — •maria silvia garelli and john schliemann — Institute for theoretical physics, Regensburg Universität, 93040 Regensburg

We study the anomalous Hall effect in a finite-size spin-orbit coupled two-degenerate electron gas with enclosed magnetic impurities. We focus on the investigation of the Charge Hall Conductance (CHC) at the bottom of the conduction band within the Landauer-Büttiker formalism. In the case of a uniform magnetization of the 2DEG, we find that for a fixed system size the CHC is characterized by a peak, whose position shifts with changing the magnetization coupling and the Rashba spin-orbit coupling. The investigation of the density of states (DOS) proves its accordance with the CHC.

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