FIG. 2. Local spin dynamics of the Fe6 cluster: (a) time evolution of the magnetization SIz(t) around the atomic centers and (b) time evolution of the z component of BIkin(t). All the quantities are integrated inside a sphere of radius R = 0.9 Å centered on the two atomic sites, where we have used B Iz(t) = 1|SIR| ∫ SIR d3r Bz(r,t).
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