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Spin transmission control in helical magnetic fields

URN to cite this document:
Saarikoski, Henri ; Dollinger, Tobias ; Richter, Klaus
PDF - Published Version
PDF - Submitted Version
arXiv PDF (23.07.2012)
Date of publication of this fulltext: 25 Jul 2012 08:22


We calculate spin transport in two-dimensional waveguides in the presence of spatially modulated Zeeman-split energy bands. We show that in a regime where the spin evolution is predominantly adiabatic the spin backscattering rate can be tuned via diabatic Landau-Zener transitions between the spin-split bands [C. Betthausen et. al., Science 337, 324 (2012)]. This mechanism is tolerant against ...


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