SEARCH Articles Figures Tables Atoms exchange-correlation energies B3-LYP exchange-correlation functional reliability of calculated relative energies Correlation energy Correlation potentials, ground-state exchange first excitation energies Correlation-exchange energy adiabatic connection Correlation-exchange energy averages Correlation-exchange energy derivative Correlation-exchange energy high-density expression Correlation-exchange energy performance Density Functionals of Exchange-Correlation Energy Density functional theory exchange-correlation energy Energy exchanger Energy exchanging Exchange and Correlation Energy Functionals Exchange and correlation energy Exchange correlation Exchange energy Exchange-correlation energy Gunnarsson-Lundqvist Exchange-correlation energy and potential matrix Exchange-correlation energy approximation Exchange-correlation energy approximation definition Exchange-correlation energy density Exchange-correlation energy exclusion principle Exchange-correlation energy functional Exchange-correlation energy functional gradient-corrected Exchange-correlation energy functional hybrid Exchange-correlation energy functionals Exchange-correlation energy generalized gradient approximation Exchange-correlation energy introduced Exchange-correlation energy limit Exchange-correlation energy parameterization Exchange-correlation energy quantum chemistry Exchange-correlation energy random phase approximation Exchange-correlation energy, density functionals Exchange-correlation potential excitation energy Exchange-correlation relativistic energy functional Excitation energy exchange-correlation functional First derivatives of the exchange-correlation energy Gradient Correction to Local Exchange and Correlation Energy Hohenberg-Kohn theorems exchange correlation functional energy Kohn-Sham theory exchange-correlation energy functional Local density approximation exchange-correlation energy Problems with exchange-correlation energy Second derivatives of the exchange-correlation energy The Exchange-Correlation Energy The exchange and correlation energies