FIG. 3. Contour plots of the time- and space-averaged (in the direction perpendicular to the plane spanned by atoms 1, 3, 5 and 6, as indicated on the plot) observables evaluated only within spheres of radiusR = 1.0 Å around each atom: (a) and (b) the temporal variation of the spin density m(x,z)(r,t)/ t for t = 0.1 fs and (c) and (d) the x and z components of the second term on the right-hand side of Eq. (22).
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