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@ARTICLE{Lux:1021987,
author = {Lux, Fabian and Ghosh, Sumit and Prass, Pascal and Prodan,
Emil and Mokrousov, Yuriy},
title = {{U}nified topological characterization of electronic states
in spin textures from noncommutative {K} -theory},
journal = {Physical review research},
volume = {6},
number = {1},
issn = {2643-1564},
address = {College Park, MD},
publisher = {APS},
reportid = {FZJ-2024-01126},
pages = {013102},
year = {2024},
note = {We acknowledge funding under SPP 2137 Skyrmionics (Project
No. MO 1731/7-1).},
abstract = {The nontrivial topology of spin systems such as skyrmions
in real space can promote complex electronic states. Here,
we provide a general viewpoint at the emergence of
topological spectral gaps in spin systems based on the
methods of noncommutative K-theory. By realizing that the
structure of the observable algebra of spin textures is
determined by the algebraic properties of the noncommutative
torus, we arrive at a unified understanding of topological
electronic states which we predict to arise in various
noncollinear setups. The power of our approach lies in an
ability to categorize emergent topological states
algebraically without referring to smooth real-
orreciprocal-space quantities. This opens a way towards an
educated design of topological phases in aperiodic,
disordered, or nonsmooth textures of spins and charges
containing topological defects.},
cin = {PGI-1 / IAS-1},
ddc = {530},
cid = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406},
pnm = {5211 - Topological Matter (POF4-521) / DFG project
403503586 - Bewegliche magnetische Skyrmionen in
ultra-dünnen Filmen auf Supraleitern für konfigurierbare
Majorana Zustände (403503586)},
pid = {G:(DE-HGF)POF4-5211 / G:(GEPRIS)403503586},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001158360200006},
doi = {10.1103/PhysRevResearch.6.013102},
url = {https://juser.fz-juelich.de/record/1021987},
}