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@ARTICLE{Chen:894490,
author = {Chen, Ying-Jiun and Hoffmann, Markus and Zimmermann, Bernd
and Bihlmayer, Gustav and Blügel, Stefan and Schneider,
Claus M. and Tusche, Christian},
title = {{Q}uantum spin mixing in {D}irac materials},
journal = {Communications Physics},
volume = {4},
number = {1},
issn = {2399-3650},
address = {London},
publisher = {Springer Nature},
reportid = {FZJ-2021-03253},
pages = {179},
year = {2021},
abstract = {The spin of the electron is nowadays replacing the charge
as basic carrier of information not only in spintronics
applications, but also in the emerging field of quantum
information. Topological quantum materials, where
spin-momentum locking is believed to lead to particularly
long spin lifetimes, are regarded as a promising platform
for such applications. However, spin-orbit coupling, that is
essential to all topological matter, at the same time gives
rise to spin mixing and decoherence as a major obstacle for
quantum computing. Here, we give experimental evidence that
hot-spots of spin-mixing and spin-conserving contributions
of the spin-orbit operator coexist in an archetypal
topological Dirac metal, and that these hot spots can have a
strongly anisotropic distribution of their respective wave
vectors with respect to the spin quantization direction. Our
results can be understood within a theory that takes into
account the decomposition of the spin-orbit Hamiltonian into
spin-conserving and spin-flip terms, contributing to a
better understanding of quantum decoherence in topological
materials, in general},
cin = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC / PGI-6},
ddc = {530},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
$I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$ /
I:(DE-Juel1)PGI-6-20110106},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000684229200001},
doi = {10.1038/s42005-021-00682-5},
url = {https://juser.fz-juelich.de/record/894490},
}