Modeling of Collisions

appear approximation assumed atomic average Boltzmann Equation calculation chapter charge classical close collision frequencies collision terms collisional computed conservation consider correct corresponding Coulomb logarithms coupled defined density depend derivation described developed diffusion distribution function effect electrons energy equal equilibrium expressions factor field finally fluid formula frame given gives heavy hydrodynamic initial integrals interaction ion species ionic kinetic light limit linear mass Maxwellian mean mean velocity minimizer momentum neglected neutral Note numerical obtained operator parameter particle particular perturbation perturbation equations Phys physics plasma pressure problem properties quantities quantum quantum mechanical reduced reference relations satisfies scalar single solution solved temperature tensor theory thermal transport coefficients transport equations vector viscosity written αβ