Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session S47: Spin Phenomena in Topological Insulators
11:15 AM–1:39 PM,
Thursday, March 5, 2020
Room: 710/712
Sponsoring
Units:
GMAG DMP FIAP DCOMP
Chair: Cuneyt Sahin, Univ of Iowa
Abstract: S47.00008 : Bi-linear magnetoresistance in surface states of topological insulator: the role of Rashba-Edelstein effect and relaxation processes
Presenter:
Anna Dyrdal
(Faculty of Physics, Adam Mickiewicz University in Poznan)
Authors:
Anna Dyrdal
(Faculty of Physics, Adam Mickiewicz University in Poznan)
Jozef Barnas
(Faculty of Physics, Adam Mickiewicz University in Poznan)
Albert Fert
(Unite Mixte de Physique, CNRS, Thales, Univ. Paris-Sud)
We will present our recent study on BMR of surface electronic states in TIs and in 2D Rashba gas [2]. The mechanism is based on the interplay of current-induced spin polarization and scattering processes due to peculiar spin-orbit defects. Additionally, we will discuss the role of the particle-hole asymmetry term and compare our approach with other theoretical descriptions and available experimental data.
[1] P. He, et al., Nat. Phys. 14, 495 (2018);
[2] A. Dyrdal, et al., arXiv 1908.08575 (2019).
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