Thermal and electrical conductivity of iron at Earth’s core conditions

Monica Pozzo, Chris Davies, David Gubbins and Dario Alfè ()
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Monica Pozzo: and Thomas Young Centre at UCL, UCL, Gower Street, London WC1E 6BT, UK
Chris Davies: School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
David Gubbins: School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
Dario Alfè: and Thomas Young Centre at UCL, UCL, Gower Street, London WC1E 6BT, UK

Nature, 2012, vol. 485, issue 7398, 355-358

Abstract: First principles calculations of the thermal and electrical conductivities of liquid iron mixtures under Earth's core conditions suggest a relatively high adiabatic heat flux of 15 to16 terawatts at the core–mantle boundary, indicating that the top of the core must be thermally stratified.

Date: 2012
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DOI: 10.1038/nature11031

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