Off-Diagonal Hypervirial Theorems as Constraints

Quantum Mechanics of One- and Two-Electron Systems

1957 • 4,746 citations

Recent Developments in Perturbation Theory

1964 • 656 citations

The Theory and Calculation of Screening Constants

1930 • 419 citations

Classical and Quantum Mechanical Hypervirial Theorems

1960 • 354 citations

On the Continuous Absorption Coefficient of the Negative Hydrogen Ion

1945 • 253 citations

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1964 • 177 citations

Hypervirial Theorems for Variational Wave Functions

1961 • 109 citations

Some Applications of Hypervirial Theorems to the Calculation of Average Values

1962 • 85 citations

Hypervirial Theorems Applied to Molecular Quantum Mechanics

1962 • 78 citations

Theoretical intensities for the transitions of H2. A study of the Franck-Condon principle

1967 • 68 citations

Off—Diagonal Hypervirial Theorem and Its Applications

1964 • 68 citations

Perturbation Theory of the Constrained Variational Method in Molecular Quantum Mechanics

1966 • 54 citations

Theoretical Transition Probabilities

1966 • 51 citations

Constrained-Variation Method in Molecular Quantum Mechanics. Comparison of Different Approaches

1966 • 40 citations

Perturbation Theory of Constraints: Application to a Lithium Hydride Calculation

1966 • 38 citations

Virial Theorem and its Generalizations in Scattering Theory

1963 • 32 citations

CRC Handbook of tables for Mathematics

1967 • 30 citations

THE USE OF COMMUTATOR RELATIONSHIPS IN DETERMINING SCHRÖDINGER WAVE FUNCTIONS

1965 • 30 citations

Hypervirial theorems and perturbation theory in quantum mechanics

1965 • 27 citations

Hypervirial Theorem for Collisions between Electrons and Atoms

1963 • 15 citations

Hypervirial Theorems for Variational Wave Functions in Scattering Theory

1963 • 13 citations

Off-diagonal constrained variations in open-shell SCF theory

1967 • 12 citations

Hypervirial Theorems and the Hellmann—Feynman Theorem in Different Coordinate Systems

1965 • 11 citations

Transition Probabilities from Eckart-Type Wavefunctions for Excited States of Two-Electron Atoms

1968 • 8 citations

Hypervirial theorems and expectation values for helium

1965 • 7 citations

Conditions for Optimal Choice of Approximate Wavefunctions and the Hypervirial Theorem

1964 • 7 citations

Eckart-type wavefunctions for excited states of two-electron atoms

1967 • 4 citations

Approximate Calculation of Dipole Transition Probabilities-The Lithium Atom

1963 • 1 citations