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Switching Spin and Charge between Edge States in Topological Insulator Constrictions

Krueckl, Viktor and Richter, Klaus (2011) Switching Spin and Charge between Edge States in Topological Insulator Constrictions. Physical Review Letters (PRL) 107 (8), 086803.

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Date of publication of this fulltext: 29 Aug 2011 05:48

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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.107.086803, http://arxiv.org/abs/1104.4284


Abstract

We show how the coupling between opposite edge states, which overlap in a constriction made of the topological insulator mercury telluride (HgTe), can be employed both for steering the charge flow into different edge modes and for controlled spin switching. Unlike in a conventional spin transistor, the switching does not rely on a tunable Rashba spin-orbit interaction, but on the energy ...

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Item type:Article
Date:17 August 2011
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis
Identification Number:
ValueType
10.1103/PhysRevLett.107.086803DOI
1104.4284arXiv ID
Classification:
NotationType
73.23.-b, 85.35.Ds, 85.75.HhPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:21936
Owner only: item control page

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