Regensburg 2013 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 75: Transport: Spintronics and magnetotransport 1 (TT, jointly with HL, MA)

HL 75.1: Vortrag

Donnerstag, 14. März 2013, 09:30–09:45, H18

A relativistic implementation of the non-equilibrium Green’s function formalism for layered systems — •S Wimmer¹, M Ogura², H Akai², and H Ebert¹ — ¹Department Chemie, Ludwig-Maximilians-Univeristät München — ²Department of Physics, Graduate School of Science, Osaka University

The non-equilibrium Green’s function formalism has been implemented within the Korringa-Kohn-Rostoker (KKR) multiple scattering theory following previous work [1,2]. First results for the transport in layered systems are presented and compared to available results of other authors [1–3]. Using a fully relativistic approach within the Dirac-formalism allows us to investigate the influence of spin-orbit coupling. This will be discussed for various transport properties including the spin-transfer torque.
[1] C. Heiliger et al., J. Appl. Phys. 103, 07A709 (2008)

[2] S. Achilles, Ph.D. thesis, Martin-Luther-Universität Halle-
Wittenberg (2012)

[3] P. M. Haney et al., Phys. Rev. B 76, 024404 (2007)