Fig. 4
Poisson ratio curve of the compression fit and the PREM fit. The compression fit correlates excellent with the ɛ-Fe data from Murphy et al. (2013). To fit with the PREM data the PREM fit requires an unrealisticly high ambient Poisson ratio of ν0 = 0.4. This is mostlikely due to missing temperature dependent terms of the Poisson ratio for the PREM fit.
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