Andreev magnetotransport in low-dimensional proximity structures: Spin-dependent conductance enhancement

URN to cite this document:: urn:nbn:de:bvb:355-epub-15314
DOI to cite this document:: 10.5283/epub.1531

Tkachov, Grygoriy ; Richter, Klaus

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Date of publication of this fulltext: 05 Aug 2009 13:30

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Abstract

We study the excess conductance due to the superconducting proximity effect in a ballistic two-dimensional electron system subject to an in- plane magnetic field. We show that under certain conditions the interplay of the Zeeman spin splitting and the effect of a screening supercurrent gives rise to a spin-selective Andreev enhancement of the conductance and anomalies in its voltage, ...