  We compute the electric conductivity of nanowires in the presence of magnetic
domain walls by the method of wave packet propagation. We demonstrate that the
propagation through the wire depends on the initial state used in the wave
packet simulation. We propose a procedure, based on the Landauer formula, to
reduce this dependence. Direct numerical calculations of the Kubo formula for
small individual systems are used as reference data for the proposed procedure.
The enhancement of the conductivity in the magnetic domain wall is found in the
present method in accordance with the previous perturbative analysis.
