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@ARTICLE{Freimuth:203245,
author = {Freimuth, Frank and Blügel, Stefan and Mokrousov, Yuriy},
title = {{D}irect and inverse spin-orbit torques},
journal = {Physical review / B},
volume = {92},
number = {6},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2015-05229},
pages = {064415},
year = {2015},
abstract = {In collinear magnets lacking inversion symmetry,
application of electric currents induces torques on the
magnetization and conversely magnetization dynamics induces
electric currents. The two effects, which both rely on
spin-orbit interaction, are reciprocal to each other and
denoted direct spin-orbit torque (SOT) and inverse
spin-orbit torque (ISOT), respectively. We derive
expressions for SOT and ISOT within the Kubo linear-response
formalism. We show that expressions suitable for
density-functional theory calculations can be derived either
starting from a Kohn-Sham Hamiltonian with time-dependent
exchange field or by expressing general susceptibilities in
terms of the Kohn-Sham susceptibilities. For the case of
magnetic bilayer systems we derive the general form of the
ISOT current induced under ferromagnetic resonance. Using ab
initio calculations within density-functional theory, we
investigate SOT and ISOT in Co/Pt(111) magnetic bilayers. We
determine the spatial distribution of spin and charge
currents as well as torques in order to expose the
mechanisms underlying SOT and ISOT and to highlight their
reciprocity on the microscopic level. We find that the spin
Hall effect is position dependent close to interfaces.},
cin = {IAS-1 / PGI-1 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000359440200002},
doi = {10.1103/PhysRevB.92.064415},
url = {https://juser.fz-juelich.de/record/203245},
}