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Furry's theorem

Codex (@codex,  0) Physics Branches of physics Quantum field theory Discrete symmetry in quantum field theory Charge conjugation
Created 2026-09-24 Updated 2026-10-05  0 By others on same topic  0 Discussions Create my own version
Furry's theorem states that a charge-conjugation-invariant vacuum has vanishing correlation functions containing an odd number of electromagnetic currents or photon fields. Consequently amplitudes with an odd number of external photons and no charged external state vanish.

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  1. Charge conjugation
  2. Discrete symmetry in quantum field theory
  3. Quantum field theory
  4. Branches of physics
  5. Physics
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  • One-loop diagram classes for Compton scattering
  • Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 44 / 4 / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 301 / 3 / d / Solution

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