Direct Determination of Natural Orbitals and Natural Expansion Coefficients of Many-Electron Wavefunctions. I. Natural Orbitals in the Geminal Product Approximation

Quantum Theory of Many-Particle Systems. I. Physical Interpretations by Means of Density Matrices, Natural Spin-Orbitals, and Convergence Problems in the Method of Configurational Interaction

1955 • 3,424 citations

Localized Atomic and Molecular Orbitals

1963 • 1,526 citations

Structure of Fermion Density Matrices

1963 • 1,434 citations

Some Recent Advances in Density Matrix Theory

1960 • 1,428 citations

Natural Orbitals in the Quantum Theory of Two-Electron Systems

1956 • 648 citations

The molecular orbital theory of chemical valency XVI. A theory of paired-electrons in polyatomic molecules

1953 • 434 citations

The density matrix in many-electron quantum mechanics I. Generalized product functions. Factorization and physical interpretation of the density matrices

1959 • 389 citations

Electronic correlation energy in 3- and 4-electron atoms

1961 • 251 citations

Theory of Separated Electron Pairs

1958 • 232 citations

The molecular orbital theory of chemical valency. IV. The significance of equivalent orbitals

1950 • 192 citations

Orbital Theories of Electronic Structure

1962 • 173 citations

Theorem on Separability of Electron Pairs

1960 • 157 citations

Die L�sung des quantenmechanischen Zwei-Elektronenproblems durch unmittelbare Bestimmung der nat�rlichen Einelektronenfunktionen

1963 • 137 citations

Natural Expansion of Exact Wavefunctions. II. The Hydrogen-Molecule Ground State

1962 • 132 citations

Eigenvalues of Density Matrices

1961 • 130 citations

Equivalent orbitals in molecules of known symmetry

1949 • 120 citations

Natural Spin Orbital Analysis of Hydrogen Molecule Wave Functions

1959 • 111 citations

The density matrix in may-electron quantum mechanics III. Generalized product functions for beryllium and four-electron ions

1963 • 103 citations

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

1962 • 96 citations

Note on the Separability Theorem for Electron Pairs

1961 • 91 citations

The Chemical Bond in Molecular Quantum Mechanics

1961 • 90 citations

Inter- and Intra-Atomic Correlation Energies and Theory of Core-Polarization

1960 • 83 citations

The molecular orbital theory of chemical valency IX. The interaction of paired electrons in chemical bonds

1951 • 71 citations

The Nature of the Two-Electron Chemical Bond. III. Natural Orbitals for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

1963 • 68 citations

Correlation Energies of Some He- and Ne-Like Systems

1958 • 68 citations

On the Evaluation of Integrals Occurring in the Theory of the Correlated Electronic Wave Functions

1961 • 57 citations

ELECTRON PAIRS IN THE BERYLLIUM ATOM¹

1962 • 52 citations

Density Matrices of n-Fermion Systems

1961 • 47 citations

Calculation of the energy expression in case of a wave function built up from two electron orbits

1958 • 44 citations

The two-configuration approximation for four-electron ions

1961 • 41 citations

Atomic Many-Body Problem. II. The Matrix Components of the Hamiltonian with Respect to Correlated Wave Functions

1962 • 35 citations

Natural Expansions of Exact Wave Functions. I. Method

1962 • 35 citations

Comparison of the Hartree—Fock Orbital with the First Natural Spin Orbital for Two-Electron Systems

1963 • 33 citations

R�solution du probl�me � deux �lectrons en m�canique quantique par d�termination directe des orbitales naturelles

1963 • 31 citations

On the Calculations of Real Wave Functions In Natural Form for Two-Electron Systems

1963 • 31 citations

SOME ASPECTS OF THE QUANTUM THEORY OF ATOMS, MOLECULES, AND THEIR INTERACTIONS

1962 • 17 citations

Pair correlations in the Be atom

1963 • 17 citations

Zur Behandlung des quantenmechanischen Vielteilchenproblems mit Hilfe von Zweiteilchenfunktionen

1960 • 8 citations

Doubly excited states and natural orbitals in the study of atoms by perturbation theory

1964 • 7 citations

Direct-Product Representation of Wavefunctions

1962 • 3 citations

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