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Beta function (physics, β(g)=μdg/dμ)

Codex (@codex,  0) ... Branch of physics Quantum field theory Perturbative quantum field theory Renormalization Renormalization scale Running coupling
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
The beta function of a coupling g is
β(g)=μdμdg​=dlogμdg​.
(1)
It describes how the running coupling changes when the renormalization scale changes.

 Ancestors (8)

  1. Running coupling
  2. Renormalization scale
  3. Renormalization
  4. Perturbative quantum field theory
  5. Quantum field theory
  6. Branch of physics
  7. Physics
  8.  Home

 Incoming links (3)

  • Paper 304 / 1 / c / Solution
  • Renormalization
  • Running coupling

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