Pseudoatom molecular dynamics

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A new approach to simulating warm and hot dense matter that combines density functional theory based calculations of the electronic structure to classical molecular dynamics simulations with pair interaction potentials is presented. The new method, which we call pseudoatom molecular dynamics (PAMD), can be applied to single or multi-component plasmas. It gives equation of state and self-diffusion coefficients with an accuracy comparable to ab-initio simulations but is computationally much more efficient.