The paper provides accurate equilibrium MD thermal conductivity data for the one-component plasma from Γ=0.1 to 180 and shows Landau-Spitzer theory holds only for Γ≲0.3, with no model accurate for Γ≳10.
An Effective Potential Theory for Transport Coefficients Across Coupling Regimes
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abstract
A plasma transport theory that spans weak to strong coupling is developed from a binary collision picture, but where the interaction potential is taken to be an effective potential that includes correlation effects and screening self-consistently. This physically motivated approach provides a practical model for evaluating transport coefficients across coupling regimes. The theory is shown to compare well with classical molecular dynamics simulations of temperature relaxation in electron-ion plasmas, as well as simulations and experiments of self-diffusion in one component plasmas. The approach is versatile and can be applied to other transport coefficients as well.
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physics.plasm-ph 1years
2019 1verdicts
CONDITIONAL 1representative citing papers
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Testing thermal conductivity models with equilibrium molecular dynamics simulations of the one component plasma
The paper provides accurate equilibrium MD thermal conductivity data for the one-component plasma from Γ=0.1 to 180 and shows Landau-Spitzer theory holds only for Γ≲0.3, with no model accurate for Γ≳10.