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Journal of Computational Electronics
Erschienen in: Journal of Computational Electronics 1/2018

19.10.2017

Relativistic Wigner functions in transition metal dichalcogenides

verfasst von: D. K. Ferry, I. Welland

Erschienen in: Journal of Computational Electronics | Ausgabe 1/2018

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Abstract

The Wigner function has been proven useful in many studies of transport as well as quantum coherence in experimental situations. When we deal with Dirac bands, this function becomes a matrix function. Here, we study the Wigner matrix for a situation in a transition metal dichacogenides with a dominant spin–orbit interaction. Here, we discuss \(\hbox {WS}_{2}\), where the bands can be described with the Dirac equation, and a unique spin-valley coupling arises. This leads to a 2X2 Wigner matrix for either the conduction band or the valence band. The off-diagonal elements display interference phenomena from the two diagonal components.
Vorheriger Artikel Passive intermodulation analysis of single contact junctions of wire mesh
Nächster Artikel A systematic investigation of the integrated effects of gate underlapping, dual work functionality and hetero gate dielectric for improved performance of CP TFETs

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Metadaten
Titel
Relativistic Wigner functions in transition metal dichalcogenides
verfasst von
D. K. Ferry
I. Welland
Publikationsdatum
19.10.2017
Verlag
Springer US
Erschienen in
Journal of Computational Electronics / Ausgabe 1/2018
Print ISSN: 1569-8025
Elektronische ISSN: 1572-8137
DOI
https://doi.org/10.1007/s10825-017-1094-4

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