Matrix Elements and Density Matrices for Many-Electron Spin Eigenstates Built from Orthonormal Orbitals

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

Quantum mechanics of many-electron systems

1929 • 1,690 citations

The Theory of Complex Spectra

1929 • 1,198 citations

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

1959 • 389 citations

Table of molecular integrals

1955 • 373 citations

Representations of Groups

1993 • 368 citations

The Calculation of Matrix Elements for Lewis Electronic Structures of Molecules

1933 • 330 citations

Alternant molecular orbital method

1967 • 277 citations

Angular Momentum Wavefunctions Constructed by Projector Operators

1964 • 276 citations

The Theory of Complex Spectra

1930 • 242 citations

Improved Quantum Theory of Many-Electron Systems. I. Construction of Eigenfunctions of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mover><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mrow><mml:mi>^</mml:mi></mml:mrow></mml:mover><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Which Satisfy Pauli's Principle

1967 • 237 citations

Improved Quantum Theory of Many-Electron Systems. V. The Spin-Coupling Optimized GI Method

1969 • 209 citations

Extension of the Dirac Vector Model to Include Several Configurations

1934 • 170 citations

Studies on the Alternant Molecular Orbital Method. I. General Energy Expression for an Alternant System with Closed-Shell Structure

1962 • 150 citations

Studies in Configuration Interaction. I. Matrix Elements between Spin-Coupled Functions

1966 • 134 citations

Expansion Theorems for the Total Wave Function and Extended Hartree-Fock Schemes

1960 • 126 citations

Theoretical studies in nuclear structure IV. Wave functions for the nuclear p -shell Part A. ‹ p ⁿ │ p ^n-1 p › fractional parentage coefficients

1951 • 125 citations

The valence bond theory of molecular structure - I. Orbital theories and the valence-bond method

1954 • 124 citations

On the basis of orbital theories

1955 • 120 citations

Improved Quantum Theory of Many-Electron Systems. III. The GF Method

1968 • 102 citations

Spin-Component Analysis of Single-Determinant Wavefunctions

1963 • 98 citations

SPIN-COUPLED WAVE FUNCTIONS FOR ATOMS AND MOLECULES

1968 • 98 citations

Matrix Elements between Bonded Functions

1966 • 95 citations

Electron Correlation and Separated-Pair Approximation. An Application to Berylliumlike Atomic Systems

1968 • 88 citations

Open-Shell Orthogonal Molecular Orbital Theory

1967 • 78 citations

Representations of Groups

1979 • 76 citations

Molecular Orbital Theory

1967 • 72 citations

Studies in the nuclear cluster model

1969 • 70 citations

Perturbation Methods in the Quantum Mechanics of n-Electron Systems

1951 • 66 citations

Exact Eigenfunctions of Angular Momentum by Rotational Projection

1962 • 64 citations

Encyclopedic dictionary of physics

1962 • 60 citations

Spin-Free Quantum Chemistry. II. Three-Electron Systems^1a

1964 • 59 citations

Expectation Values of Many-Fermion Spin Eigenstates

1971 • 57 citations

Studies on the Alternant Molecular Orbital Method. IV. Generalization of the Method to States with Different Multiplicities

1962 • 56 citations

Studies in the nuclear cluster model

1972 • 55 citations

Spin-Free Quantum Chemistry.^1a III. Bond Functions and the Pauling Rules

1966 • 55 citations

Quantentheorie der chemischen Bindung f�r mehratomige Molek�le

1931 • 52 citations

Direct Evaluation of Fractional Parentage Coefficients Using Young Operators. General Theory and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>〈</mml:mi><mml:mn>4</mml:mn><mml:mo>|</mml:mo><mml:mn>2</mml:mn><mml:mo>,</mml:mo><mml:mi> </mml:mi><mml:mn>2</mml:mn><mml:mi>〉</mml:mi></mml:math>Coefficients

1954 • 47 citations

Matrix Representation of the Angular Momentum Projection Operator

1965 • 44 citations

Projected Hartree Product Wavefunctions

1968 • 43 citations

Construction of Exact Spin Eigenfunctions

1964 • 42 citations

Spin-Free Self-Consistent-Field Theory

1968 • 32 citations

On Quantitative Substitutional Analysis

1932 • 27 citations

Studies on the Alternant Molecular Orbital Method. V. A Many-Parameter Energy Expression for States with Different Multiplicities; Application to Benzene

1963 • 27 citations

Spin-free quantum chemistry. VII. The Slater determinant

1969 • 24 citations

Studies in the nuclear cluster model

1969 • 24 citations

On the calculation of spin densities

1966 • 23 citations

The calculation of matrix elements for valence bond functions

1969 • 22 citations

Calculation of Exact Eigenfunctions of Spin and Orbital Angular Momentum Using the Projection Operator Method

1963 • 22 citations

Table of Sanibel (spin projection) coefficients

1966 • 22 citations

Spin-Free Quantum Chemistry. IV. The pⁿ Electron Configuration¹

1966 • 21 citations

Permutation-Algebraic Formulation of Spin-Free Transition Density Matrices

1966 • 18 citations

Valence-Bond Resonance Structures for a Triplet State

1960 • 17 citations

Electronic wave functions: VI. Some theorems facilitating the evaluation of Schrödinger integrals of vector-coupled functions

1952 • 14 citations

Antisymmetric Projection in the Approximation of No Spin-Orbit Coupling

1968 • 12 citations

Proof of the linear independence of properly selected projected spin eigenfunctions

1968 • 12 citations

Antisymmetrization of Geminal Wave Functions. III. Calculations of the Density Matrix and Energy of a Three-Electron Atom

1968 • 10 citations

Spin-free quantum chemistry. VIII. The crystal field problem

1969 • 9 citations

Spin-free quantum chemistry. VI. Spin conservation

1969 • 8 citations

Tables Useful for Construction of Irreducible Representation Matrices of Symmetric Group

1948 • 7 citations

ESR spectra of the radicals formed by photolysis of frozen ethanol solutions of triphenylamine

1969 • 1 citations