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\bibitem{Chaves_etal2015} {\textquotedblleft}\textit{The Split-operator technique for the study of spinorial wavepacket dynamics}{\textquotedblright}. Chaves A, Farias GA, Peeters FM, Ferreira R, Communications in computational physics \textbf{17}, 850 (2015).   http://doi.org/10.4208/cicp.110914.281014a

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