Identities Related to Variational Principles

Theory of Atomic Collisions

1956 • 2,461 citations

Variable Phase Approach to Potential Scattering

1968 • 769 citations

Variational Methods in Nuclear Collision Problems

1948 • 569 citations

Calculations in schrödinger perturbation theory

1959 • 285 citations

The screening approximation for the helium sequence

1960 • 117 citations

Upper Bounds on Scattering Lengths for Static Potentials

1959 • 102 citations

Improved Minimum Principle for Multichannel Scattering

1964 • 81 citations

A variation principle for arbitrary operators

1963 • 55 citations

Note on Schwinger's Variational Method

1951 • 45 citations

Minimum Principle for Multi-Channel Scattering

1962 • 29 citations

Kohn-Type Variational Principle for Three-Body Breakup Processes

1972 • 22 citations

Variational Principle for Scattering with Bounds on the Phase Shift

1971 • 11 citations

Variational Upper and Lower Bounds on Phase Shifts

1968 • 10 citations

Bounds on Elements of the S Matrix for Elastic Scattering: One-Dimensional Scattering

1962 • 9 citations

Bounds on Weighted Mean Errors of Approximate Wave Functions. I. Theory

1970 • 4 citations