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Helical Liquids and Majorana Bound States in Quantum Wires

Open access
Oreg, Yuval, Refael, Gil, von Oppen, Felix·2010·Physical Review Letters

Abstract

We show that the combination of spin-orbit coupling with a Zeeman field or strong interactions may lead to the formation of a helical electron liquid in single-channel quantum wires, with spin and velocity perfectly correlated. We argue that zero-energy Majorana bound states are formed in various situations when such wires are situated in proximity to a conventional s-wave superconductor. This occurs when the external magnetic field, the superconducting gap, or, most simply, the chemical potential vary along the wire. These Majorana states do not require the presence of a vortex in the system. Experimental consequences of the helical liquid and the Majorana states are also discussed.

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Metadata

Authors
Oreg, Y., Refael, G., & von Oppen, F.
Venue
Physical Review Letters
Published
2010-10-20
Volume
105
Issue
17
Pages
177002-177002
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2067650803
Cited by
3,167
References
5
FWCI
71.18
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Helical Liquids and Majorana Bound States in Quantum Wires. https://app.cochat.ai/papers/10.1103/physrevlett.105.177002
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Oreg, Y., Refael, G., & von Oppen, F. (2010). Helical Liquids and Majorana Bound States in Quantum Wires. Physical Review Letters. https://doi.org/10.1103/physrevlett.105.177002

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.