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Non-adiabatic topological spin pumping

Based on the Floquet scattering theory, we analytically investigate the topological spin pumping for an exactly solvable model. Floquet spin Chern numbers are introduced to characterize the periodically time-dependent system. The topological spin pumping remains robust both in the presence and in th...

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Autori principali: W Y Deng, W Luo, H Geng, M N Chen, L Sheng, D Y Xing
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2015-01-01
Serie:New Journal of Physics
Soggetti:
non-adiabatic
floquet scattering theory
topological
spin pumping
72.10.-d
72.25.-b
Accesso online:https://doi.org/10.1088/1367-2630/17/10/103018
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