Fig. 1 | Nature Communications

Fig. 1

From: Low viscosity of the Earth’s inner core

Fig. 1

Mean square displacement of atoms in two iron phases. Mean square displacement (MSD) computed using configurations obtained by ab initio molecular dynamics at the pressure of 365 GPa and temperature 7000 K. The MSD in the hexagonal close-packed phase (dashed curve) saturates at about 5000 timesteps indicating no diffusion, while the MSD in the body-centered cubic phase (solid curve) steadily grows during the whole simulation indicating the diffusion

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