SEARCH Articles Figures Tables Adiabatic approximation wave function Approximating functions Approximation function Approximations to the Many-Electron Wave Function Born-Huang approximation wave function Correlation into an Approximate Wave Function Energy from an Approximate Wave Function Exact and Approximate Wave Functions Generalized gradient approximation correlation wave functions Hartree-Fock approximation trial wave function Hartree-Fock approximation wave function Many-electron wave functions atomic orbitals approximation Wave function Born-Oppenheimer approximation Wave functions, approximate correct zeroth-order Wave functions, approximate determinant-type Wave functions, approximate hydrogenlike Wave functions, nonadiabatic quantum approximation