Home›Equations of physics›sigma model🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguês한국어中文日本語EntityQ7512415· pop 6· linked from 39 articlessigma modelAlso known as σ-modelfield theory of a point particle confined to move on a fixed manifoldWikidata factsShow 1 more factStack Exchange tagphysics.stackexchange.com/tags/sigma-modelsSources (2)wikidata.orgdocs.openalex.orgvia Wikidata · CC0Available in 6 languagesEspañol日本語PortuguêsCatalan한국어via Wikidata sitelinks · CC0ConnectionsfieldEntitygeodesic curveEntityCategoriesEquations of physicsMurray Gell-MannQuantum field theory