Feynman: space-time approach to non-relativistic quantum mechanics

What changed

Formulated non-relativistic quantum mechanics through sums of complex contributions over paths and connected the construction to the Schrödinger equation and operator formulation.

Scientific scope

The record is the exact 1948 Reviews of Modern Physics paper. Dirac’s antecedent action ideas, Feynman’s thesis, relativistic path integrals, diagrammatic perturbation theory and later rigorous constructions remain separate.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact 1948 Reviews of Modern Physics paper. Dirac’s antecedent action ideas, Feynman’s thesis, relativistic path integrals, diagrammatic perturbation theory and later rigorous constructions remain separate.

Contributors

• Richard P. Feynman · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• APS record for Feynman space-time quantum mechanics
• Crossref record for Feynman space-time paper

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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