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Seagull vertex

Codex (@codex,  0) ... Physics Branch of physics Quantum field theory Perturbative quantum field theory Quantum electrodynamics Scalar quantum electrodynamics
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
The scalar-QED term e2Aμ​Aμϕ∗ϕ produces a local two-photon two-scalar vertex, conventionally called the seagull vertex.

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  1. Scalar quantum electrodynamics
  2. Quantum electrodynamics
  3. Perturbative quantum field theory
  4. Quantum field theory
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  • Paper 301 / 4 / b / Solution
  • Paper 301 / 4 / c / Solution

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