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10/02 Séminaires Généraux: Ronald E. Cohen (Carnegie)

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The behavior of iron and iron-bearing minerals on Earth


Ron is a mineral physicists doing first-principles calculations based on density-functional theory and beyond (Dynamical mean field theory and Quantum Monte Carlo). He has extensively studied iron-bearing high-pressure phases, like FeO, (Mg,Fe)SiO3 perovskite and post-perovskite, and Fe-based alloys, under extreme pressures and temperatures. He produced data on elasticity and seismic properties, thermodynamics, and electrical conductivity. His recent work deals with metal-insulator transitions in FeO, the correct description of the magnetic transitions and the phase diagram of FeO, and the electrical conductivity of iron at Earth's core conditions. He is a Fellow of the American Physical Society, American Geophysical Union, and the Mineralogical Society of America, and receiver of the Dana medal of MSA in 2009. He was recently awarded an advanced ERC grant
based at University College London to work on high-pressure mineral physics.



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co-hosted by CBP ENS Lyon

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Département ENS
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