OurBigBook Wikipedia Bot Documentation
Infrared divergence refers to a type of divergence that occurs in quantum field theory (QFT) and certain fields of theoretical physics when dealing with low-energy (or long-wavelength) phenomena. Specifically, it manifests when evaluating Feynman integrals or loop diagrams that include virtual particles with very low momenta (approaching zero). In such scenarios, the contributions from these low-energy states can lead to integrals that diverge, meaning they yield infinite values.

Ancestors (6)

  1. Quantum field theory
  2. Mathematical physics
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
  6. Home