Absence of the Rashba Splitting of Au(111) Surface Bands
Author
Source
Advances in Condensed Matter Physics
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-06-03
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
The electronic structure of Au(111) films is studied by means of relativistic DFT calculations.
It is found that the twinning of the surface bands, observed in photoemission experiment, does not necessarily correspond to the spin-splitting of the surface states caused by the break of the inversion symmetry at the surface.
The twinning of the bands of clean Au(111) films can be obtained within nonrelativistic or scalar-relativistic approximation, so that it is not a result of spin-orbit coupling.
However, the spin-orbit coupling does not lead to the spin-splitting of the surface bands.
This result is explained by Kramers’ degeneracy, which means that the existence of a surface itself does not destroy the inversion symmetry of the system.
The inversion symmetry of the Au(111) film can be broken, for example, by means of adsorption, and a hydrogen monolayer deposited on one face of the film indeed leads to the appearance of the spin-splitting of the bands.
American Psychological Association (APA)
Yakovkin, I. N.. 2018. Absence of the Rashba Splitting of Au(111) Surface Bands. Advances in Condensed Matter Physics،Vol. 2018, no. 2018, pp.1-5.
https://search.emarefa.net/detail/BIM-1117299
Modern Language Association (MLA)
Yakovkin, I. N.. Absence of the Rashba Splitting of Au(111) Surface Bands. Advances in Condensed Matter Physics No. 2018 (2018), pp.1-5.
https://search.emarefa.net/detail/BIM-1117299
American Medical Association (AMA)
Yakovkin, I. N.. Absence of the Rashba Splitting of Au(111) Surface Bands. Advances in Condensed Matter Physics. 2018. Vol. 2018, no. 2018, pp.1-5.
https://search.emarefa.net/detail/BIM-1117299
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1117299