Abstract
We outline the density functional approach to the strong interaction model of quantumhadrodynamics. In particular the extension of the Hohenberg-Kohn theorem to this situation is demonstrated. On the practical level we derive the gradient expansion of the noninteracting kinetic energy to second order in h ̷ 2 , including the effects of full four-vector meson exchange as well as vacuum contributions, and discuss the variational equations of the corresponding extended Thomas-Fermi model.
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