赤せき外がい発はっ散さん

noun

infrared divergence

Technical term in quantum field theory referring to a divergence arising from low-energy (soft) photons or other massless particles. Used in academic physics contexts.

• 量りょう子し電でん磁じ力りき学がくでは、赤せき外がい発はっ散さんは軟なん光こう子しの寄き与よによって生しょうじる。

  In quantum electrodynamics, infrared divergence arises from the contribution of soft photons.