Perturbation Theory in Terms of Reduced Density Matrices

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

Some Recent Advances in Density Matrix Theory

1960 • 1,428 citations

Perturbation Theory for the Fock-Dirac Density Matrix

1962 • 780 citations

The density matrix in many-electron quantum mechanics II. Separation of space and spin variables; spin coupling problems

1961 • 207 citations

A perturbation calculation of properties of the helium iso-electronic sequence

1958 • 199 citations

Natural Expansion of the First‐Order Density Matrix for a Spin‐Projected Single Determinant

1964 • 162 citations

Symmetry properties of natural orbitals and geminals I. Construction of spin‐ and symmetry‐adapted functions

1968 • 78 citations

Spin-Projected and Extended SCF Calculations

1967 • 64 citations

Über die Symmetrie-Eigenschaften der reduzierten Dichtematrizen und der natürlichen Spin-Orbitale und Spin-Geminale (der natürlichen Ein- und Zwei-Elektronen-Funktionen)

1963 • 61 citations

Second-Order Density Matrix for a Spin-Projected Single Determinant

1967 • 53 citations

Spin-Extended PPP SCF Spin Densities in Some Hydrocarbon Radicals

1968 • 31 citations

Perturbational-Variational Approach to the Calculation of Variational Wave Functions. I. Theory

1967 • 22 citations

Orbital Self-Consistent-Field Theory. II. Natural Orbital Hamiltonian

1969 • 21 citations

Spin Dependence of the First-Order Transition Density Matrix

1961 • 17 citations