Reduced Density Matrices of Atoms and Molecules. I. The 2 Matrix of Double-Occupancy, Configuration-Interaction Wavefunctions for Singlet States

A Simplification of the Hartree-Fock Method

1951 • 4,355 citations

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

Structure of Fermion Density Matrices

1963 • 1,434 citations

Quantum theory of atomic structure

1961 • 1,152 citations

Quantum Theory of Many-Particle Systems. III. Extension of the Hartree-Fock Scheme to Include Degenerate Systems and Correlation Effects

1955 • 1,103 citations

�ber den Grundzustand des Heliumatoms

1928 • 488 citations

A Natural Orbital Based Energy Calculation for Helium Hydride and Lithium Hydride

1966 • 359 citations

Pseudonatural Orbitals as a Basis for the Superposition of Configurations. I. He2+

1966 • 192 citations

Natural Orbitals and Geminals of the Beryllium Atom

1965 • 51 citations

The Method of Different Orbitals for Different Spins and Its Application to Alternant Hydrocarbons

1963 • 40 citations

Bopp's approximation to the energy of anN-electron system

1965 • 36 citations

N-Representability Problem for Fermion Density Matrices. I. The Second-Order Density Matrix with N =3

1965 • 31 citations

Reduced-Density-Matrix Theory: The 2-Matrix of Four-Electron Systems

1967 • 26 citations

Recent Developments in the Method of Different Orbitals for Different Spins

1965 • 15 citations