🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsالعربيةفارسی한국어中文日本語EntityQ5979196· pop 10· linked from 59 articlesscalar field theoryfield theory of scalar fieldsAvailable in 9 languages中文日本語PortuguêsItalianoالعربيةCatalanPunjabiفارسیvia Wikidata sitelinks · CC0ConnectionsFeynman diagramEntityHamiltonian operatorEntityCategoriesMathematical physicsQuantum field theoryScalars