Lattice Thermal Conductivity of MgSiO Perovskite from First Principles.

We investigate lattice thermal conductivity κ of MgSiO perovskite (pv) by ab initio lattice dynamics calculations combined with exact solution of linearized phonon Boltzmann equation. At room temperature, κ of pristine MgSiO pv is found to be 10.7 W/(m · K) at 0 GPa.