Divergence of Perturbation Theory in Quantum Electrodynamics.

Dyson, F. J. (1952). Divergence of Perturbation Theory in Quantum Electrodynamics. Physical Review, 85(4), 631-632.

Type

Journal article

Intellectual base

Primary research

Year

1952

Link

https://doi.org/10.1103/physrev.85.631matched

Cited from

physics

Cited by

1 citation across 1 artifact.

Each citation links to the sentence it supports in the citing article.

Primes

• Perturbation Theory
  • Convergence: most physically interesting series (QED's α expansion, anharmonic oscillators) are asymptotic

    This sourceProves that the perturbation series in QED is asymptotic, not convergent; coefficients grow factorially; establishes that "more orders" eventually increase error; paradigmatic for understanding asymptotic series in physics.

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