The Theory of Quantized Fields. I.¶
Schwinger, J. (1951). The Theory of Quantized Fields. I. Physical Review, 82(6), 914-927.
Cited by¶
1 citation across 1 artifact.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Principle of Least Action
- extends the principle to field-theoretic amplitudes and Green's functions
This sourceDevelops quantum action principle for field theory; shows how to derive Green's functions and scattering amplitudes from variation of action; establishes source-dependent action as generator of field-theoretic amplitudes. Generalizes Feynman path integral to fields; foundation for modern perturbative quantum field theory.
Supported in partVerified against the work's full text
Schwinger's paper builds quantized field theory on a Lagrange function and a stationary-action principle that yields the field equations; it does not cover the classical or all-physics framing.
“The latter statement is th3 oparator principle of stgtionary”
- extends the principle to field-theoretic amplitudes and Green's functions
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