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Current Patterns and Orbital Magnetism in Mesoscopic dc Transport

URN to cite this document:
urn:nbn:de:bvb:355-epub-459659
DOI to cite this document:
10.5283/epub.45965
Walz, Michael ; Wilhelm, Jan ; Evers, Ferdinand
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Date of publication of this fulltext: 11 Jun 2021 06:53



Abstract

We present ab initio calculations of the local current density j(r) as it arises in dc-transport measurements. We discover pronounced patterns in the local current density, ring currents (“eddies”), that go along with orbital magnetism. Importantly, the magnitude of the ring currents can exceed the (average) transport current by orders of magnitude. We find associated magnetic fields that exhibit ...

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