Journal
EPL
Volume 93, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/93/67004
Keywords
-
Categories
Funding
- Deutsche Forschungsgemeinschaft [SPP1285]
- French Agence Nationale de la Recherche [ANR-08-BLAN-0030-02]
- Agence Nationale de la Recherche (ANR) [ANR-08-BLAN-0030] Funding Source: Agence Nationale de la Recherche (ANR)
Ask authors/readers for more resources
We derive a kinetic equation for the electrons moving on the surface of a three-dimensional topological insulator. Due to the helical nature of the excitations backward scattering is suppressed in the collision integral, and the spin dynamics is entirely constrained by that of the charge. We further analyze the tunneling between the helical metal and a conventional metal or ferromagnet. We find that the tunnel resistance strongly depends on the angle between the magnetization in the ferromagnet and the current in the helical metal. A nonmagnetic layer on top of the helical metal amplifies the current-induced spin polarization. Copyright (C) EPLA, 2011
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available