Spintronics in MoS2 monolayer quantum wires

Jelena Klinovaja and Daniel Loss
Phys. Rev. B 88, 075404 – Published 5 August 2013

Abstract

We study analytically and numerically spin effects in MoS2 monolayer armchair quantum wires and quantum dots. The interplay between intrinsic and Rashba spin orbit interactions induced by an electric field leads to helical modes, giving rise to spin filtering in time-reversal-invariant systems. The Rashba spin orbit interaction can also be generated by spatially varying magnetic fields. In this case, the system can be in a helical regime with nearly perfect spin polarization. If such a quantum wire is brought into proximity to an s-wave superconductor, the system can be tuned into a topological phase, resulting in midgap Majorana fermions localized at the wire ends.

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  • Received 16 April 2013

DOI:https://doi.org/10.1103/PhysRevB.88.075404

©2013 American Physical Society

Authors & Affiliations

Jelena Klinovaja and Daniel Loss

  • Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland

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Issue

Vol. 88, Iss. 7 — 15 August 2013

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