2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/24344Local density approximation for the exchange energy is made for treatment of excited-states in density-functional theory. It is shown that taking care of the state-dependence of the LDA exchange energy functional leads to accurate excitation energies.Other Condensed MatterLocal density approximation for exchange in excited-state density functional theorytext