Open-shell generalized perturbation theory

LiH Potential Curves and Wavefunctions for X 1Σ+, A 1Σ+, B 1Π, 3Σ+, and Π3

1972 • 361 citations

Virtual Orbitals in Hartree-Fock Theory

1970 • 274 citations

Theory of Atomic Structure Including Electron Correlation. I. Three Kinds of Correlation in Ground and Excited Configurations

1969 • 222 citations

Atomic Bethe-Goldstone Equations. I. The Be Atom

1967 • 200 citations

Virtual Orbitals in Hartree–Fock Theory. II

1971 • 180 citations

Nature of the Configuration-Interaction Method inAb InitioCalculations. I. Ne Ground State

1970 • 165 citations

Modified Perturbation Theory for Atoms and Molecules Based on a Hartree–Fock φ

1968 • 157 citations

Selection of the Proper Canonical Roothaan-Hartree-Fock Orbitals for Particular Applications. I. Theory

1972 • 155 citations

Atomic Bethe-Goldstone Equations. II. The Ne Atom

1967 • 107 citations

LiH Properties, Rotation-Vibrational Analysis, and Transition Moments for X 1Σ+, A 1Σ+, B 1Π, 3Σ+, and Π3

1972 • 104 citations

Theory of Atomic Structure Including Electron Correlation. II. All-External Pair Correlations in the Various States and Ions of B, C, N, O, F, Ne, and Na, and Prediction of Electron Affinities and Atomic Excitation Energies

1969 • 99 citations

Atomic Many-Body Problem. I. General Theory of Correlated Wave Functions

1962 • 96 citations

Correlation Effects in Atoms. III. Four-Electron Systems

1967 • 82 citations

Reduced Partitioning Procedure in Configuration Interaction Studies. I. Ground States

1972 • 79 citations

Atomic Bethe-Goldstone Calculation of the Hyperfine Structure of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">Li</mml:mi><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mn /><mml:mi> </mml:mi><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow><mml:mo>)</mml:mo></mml:math>

1970 • 77 citations

Many-Body Theories of the Electronic Structure of Atoms and Molecules

1971 • 77 citations

Many-Body Approach to Electron Correlation in Atoms and Molecules

1968 • 71 citations

Pair Correlations and the Electronic Structure of Neon

1970 • 60 citations

A derivation of the exact pi-electron hamiltonian

1972 • 47 citations

Reduced partitioning procedure in configuration interaction studies. II. Excited states

1973 • 46 citations

Selection of Proper Canonical Orbitals. II. Water

1972 • 38 citations

Formulation of the Quantum-Mechanical Many-Body Problem in Terms of One- and Two-Particle Functions

1963 • 37 citations

Towards an ab initio determinition of all the parameters which appear in semi-empirical quantum chemical theories

1972 • 36 citations

Unitary Transformations and Pair Energies. III. Relation to Perturbation Theory

1972 • 29 citations

Theoretical foundations of purely semi-empirical quantum chemistry. II. Molecular properties

1974 • 23 citations

Semi-empirical effective pair correlation parameters and correlation energies of BH, CH, NH, OH, HF, N2, and CH4

1972 • 23 citations

Generalized Perturbation Theory and its Application to the Problem of the Description of Electron Correlation in Atoms and Molecules

1968 • 17 citations

Correlation effects in the neutral and ionized ground states of acetylene

1973 • 16 citations

Many-body perturbation theory and the variational pairs of quantum chemistry

1970 • 15 citations