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Published on: June 28, 2018
The effect of spin-orbit coupling on the surface dynamical properties and electron-phonon interaction of Tl(0001)
I Yu Sklyadneva1, R Heid, K-P Bohnen
1Donostia International Physics Center (DIPC), P. de Manuel Lardizabal 4, 20080 San Sebastián/Donostia, Basque Country, Spain.
Abstract:
We present an ab initio study of the effect of spin-orbit coupling on the dynamical properties of the Tl(0001) surface as well as on the electron-phonon interaction at the surface. The calculations based on density-functional theory were carried out using a linear response approach and a mixed-basis pseudopotential method. It is shown that the spin-orbit effects on the phonon spectrum and the electron-phonon interaction at the Fermi level of the surface are weak but conspire to a reduction in the electron-phonon coupling strength by 16%.
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