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\bibitem{Foeldi_etal2009} {\textquotedblleft}\textit{Quantum rings with time-dependent spin-orbit coupling: Spintronic Rabi oscillations and conductance properties}{\textquotedblright}. F{\"o}ldi P, Benedict MG, Kalman O, Peeters FM, Physical review : B : solid state \textbf{80}, 165303 (2009).   http://doi.org/10.1103/PhysRevB.80.165303

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