GENERALIZATION OF THE OPTIMIZED-EFFECTIVE-POTENTIAL MODEL TO INCLUDE ELECTRON CORRELATION - A VARIATIONAL DERIVATION OF THE SHAM-SCHLUTER EQUATION FOR THE EXACT EXCHANGE-CORRELATION POTENTIAL
Me. Casida, GENERALIZATION OF THE OPTIMIZED-EFFECTIVE-POTENTIAL MODEL TO INCLUDE ELECTRON CORRELATION - A VARIATIONAL DERIVATION OF THE SHAM-SCHLUTER EQUATION FOR THE EXACT EXCHANGE-CORRELATION POTENTIAL, Physical review. A, 51(3), 1995, pp. 2005-2013