Abstract
The split-operator technique for wave packet propagation in quantum
systems is expanded here to the case of propagatingwave functions
describing Schrodinger particles, namely, charge carriers in
semiconductor nanostructures within the effective mass approximation, in
the presence of Zeeman effect, as well as of Rashba and Dresselhaus
spin-orbit interactions. We also demonstrate that simple modifications
to the expanded technique allow us to calculate the time evolution of
wave packets describing Dirac particles, which are relevant for the
study of transport properties in graphene.
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