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@ARTICLE{Buhl:829573,
author = {Buhl, Patrick and Freimuth, Frank and Blügel, Stefan and
Mokrousov, Yuriy},
title = {{T}opological spin {H}all effect in antiferromagnetic
skyrmions},
journal = {Physica status solidi / Rapid research letters},
volume = {11},
number = {4},
issn = {1862-6254},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2017-03256},
pages = {1700007},
year = {2017},
abstract = {The topological Hall effect (THE), as one of the primary
manifestations of non-trivial topology of chiral skyrmions,
is traditionally used to detect the emergence of skyrmion
lattices with locally ferromagnetic order. In this work we
demonstrate that the appearance of non-trivial
two-dimensional chiral textures with locally
anti-ferromagnetic order can be detected through the spin
version of the THE – the topological spin Hall effect
(TSHE). Utilizing the semiclassical formalism, here used to
combine chiral antiferromagnetic textures with a density
functional theory description of the collinear, degenerate
electronic structure, we follow the real-space real-time
evolution of electronic SU(2) wavepackets in an external
electric field to demonstrate the emergence of sizeable
transverse pure spin current in synthetic antiferromagnets
of the Fe/Cu/Fe trilayer type. We further unravel the
extreme sensitivity of the TSHE to the details of the
electronic structure, suggesting that the magnitude and sign
of the TSHE in transition-metal synthetic antiferromagnets
can be engineered by tuning such parameters as the thickness
or band filling. Besides being an important step in our
understanding of the topological properties of ever more
complex skyrmionic systems, our results bear great potential
in stimulating the discovery of antiferromagnetic
skyrmions.},
cin = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
pnm = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
Controlling Configuration-Based Phenomena (POF3-143) /
Topological transport in real materials from ab initio
$(jias12_20121101)$},
pid = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
$G:(DE-Juel1)jias12_20121101$},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000402160200001},
doi = {10.1002/pssr.201700007},
url = {https://juser.fz-juelich.de/record/829573},
}