🌐EnglishEnglishItalianoPortuguêsРусский中文日本語EntityQ7922778· pop 7· linked from 51 articlesVertex functiondescribing the interaction between a photon and an electronAvailable in 6 languages日本語РусскийPortuguêsItalianoUkrainianvia Wikidata sitelinks · CC0Connectionsanomalous magnetic dipole momentEntityWard–Takahashi identityEntityCategoriesQuantum electrodynamicsQuantum field theory